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FromTheMoon [43]
3 years ago
15

The solution of the equation 5-2x=-4x-7 is?​

Mathematics
1 answer:
butalik [34]3 years ago
8 0

Answer: x=-6

Step-by-step explanation:

5-2x=-4x-7

5+2x=-7

2x=-12

X=-6

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Y+2 = -3(x – 4)<br> Complete the missing value in the solution to the equation. <br><br> (?, -2)
ss7ja [257]

Answer:

The missing value in the solution to

the equation will be:

  • x=4

Step-by-step explanation:

Given the equation

y+2\:=-3\left(x\:-\:4\right)

As the value of y = -2 is given.

so substituting the value y = -2 in the equation to find the missing value

\left(-2\right)+2\:=-3\left(x\:-\:4\right)

switch the sides

-3\left(x-4\right)=\left(-2\right)+2

\mathrm{Remove\:parentheses}:\quad \left(-a\right)=-a

-3\left(x-4\right)=-2+2

-3\left(x-4\right)=0

\mathrm{Divide\:both\:sides\:by\:}-3

\frac{-3\left(x-4\right)}{-3}=\frac{0}{-3}

x-4=0

x=4

Therefore, the missing value in the solution to

the equation will be:

  • x=4
4 0
3 years ago
Help<br> -9x + 3.0 &gt; 6.6<br> Group of answer choices<br><br> x 0.4<br><br> x 2.4
Y_Kistochka [10]

Answer:

x  0.4

Step-by-step explanation:

Isolate the variable by dividing each side by factors that don't contain the variable.

3 0
3 years ago
Rewrite equation -qx+p=r
hodyreva [135]

Answer:-qx+p=r

Step-by-step explanation:

8 0
3 years ago
646 is 85% of what number?
Lilit [14]

Let the number be y

The statement can be interpreted as

85% of y = 646

\begin{gathered} \text{ }\frac{85}{100}\text{ x  y = 646} \\ 85y\text{ = 64600} \\ y=\frac{64600}{85} \\ y=760 \\ \text{  The number is 760} \end{gathered}

8 0
1 year ago
Can someone plz explain how to do this Algebra 1 A=1/2(a+b)h for h
Alex_Xolod [135]
<span>A=1/2(a+b)h for h.

First, you need to get rid of 1/2, so divide both sides by 1/2.
A/(1/2) = (a + b)h

You can simplify the </span>A/(1/2) by multiplying by the reciprocal of 1/2, so 2/1.

2A = (a + b)h

Now divide both sides by (a+b).

2A/(a+b) = h
6 0
3 years ago
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