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3 years ago

Two step Equation a.3x-8=31

2 answers:

6 0

3x - 8 = 31

1) 3x = 31 + 8 (add 8 to both sides)
2) x = 39/3 = 13 (divide both sides by 3)

Hope this is what you're lookin for!

stira [4]3 years ago

5 0

<span>Simplifying 3x + -8 = 31 Reorder the terms: -8 + 3x = 31 Solving -8 + 3x = 31 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '8' to each side of the equation. -8 + 8 + 3x = 31 + 8 Combine like terms: -8 + 8 = 0 0 + 3x = 31 + 8 3x = 31 + 8 Combine like terms: 31 + 8 = 39 3x = 39 Divide each side by '3'. x = 13 Simplifying x = 13</span>

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sasho [114]

Answer:

x=8

Step-by-step explanation:

Move all terms that don't contain x to the right side and solve.

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3 years ago

2 points) Sometimes a change of variable can be used to convert a differential equation y′=f(t,y) into a separable equation. One

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$y'=(t+y)^2-1$

Substitute $u=t+y$ , so that $u'=y'$ , and

$u'=u^2-1$

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$\dfrac{u'}{u^2-1}=1$

Integrate both sides with respect to $t$ . For the integral on the left, first split into partial fractions:

$\dfrac{u'}2\left(\frac1{u-1}-\frac1{u+1}\right)=1$

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Solve for $u$ :

$\dfrac12\ln\left|\dfrac{u-1}{u+1}\right|=t+C$

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$1-\dfrac2{u+1}=e^{2t+C}=Ce^{2t}$

$\dfrac2{u+1}=1-Ce^{2t}$

$\dfrac{u+1}2=\dfrac1{1-Ce^{2t}}$

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Replace $u$ and solve for $y$ :

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$y=\dfrac2{1-Ce^{2t}}-1-t$

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2 years ago

Which of the following is an equivalent form of the compound inequality

blondinia [14]

Answer:

pls mark brainy

Step-by-step explanation:

option (d) is correct.

An equivalent form of the given compound inequality −44 > −2x − 8 ≥ −8 is −44 > −2x − 8 and −2x − 8 ≥ −8

Step-by-step explanation:

Given a compound inequality −44 > −2x − 8 ≥ −8

We have to write an equivalent form of compound inequality.

Compound inequality consists of two inequalities joined together and the solution is the intersection of each inequality.

Compound inequality has two sides the left hand side and right hand side we can solve them by taking each inequality one at a time.

For given compound inequality, −44 > −2x − 8 ≥ −8

we have

Left side of inequality as −44 > −2x − 8

and right side of inequality as −2x − 8 ≥ −8

Thus, option (d) is correct.

Thus, An equivalent form of the given compound inequality −44 > −2x − 8 ≥ −8 is −44 > −2x − 8 and −2x − 8 ≥ −8

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2 years ago

Please help with this problem?!?

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Answer:

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Step-by-step explanation:

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PLZ brainliest answer

Step-by-step explanation:

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3 years ago

Read 2 more answers