3 years ago

How do you do 2 step eqations

1 answer:

3 0

It takes two steps to solve an equation or inequality that has more than one operation:
1- Simplify using the inverse of addition or subtraction.
2- Simplify further by using the inverse of multiplication or division.

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2(9x - 1) = 99-7(3 - 4x)<br> help please

Bogdan [553]

Answer:

x = -8

Step-by-step explanation:

Distribute on both sides

combine constants

combine variables

then divide

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3 years ago

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Sheila had 8 yards of fabric.she used 2/3 of the fabric on a project. How many yards does she have left?

Inessa [10]

Answer:

As a decimal it can be written as 7.3 repeated

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4 years ago

there are 30 students in a math class of the 30 students 30% have an a in math 40% have a b in math how many students have a c i

stepladder [879]

the answer is 9

30 percent of 30 is 9

40 percent of 30 is 12

12+9 =21

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3 years ago

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What's the answer???

dlinn [17]

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3 years ago

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Solve for n: c= 6n−5g /11t

qwelly [4]

Answer: $\frac{11tc+5g}{66t}=n$

Step-by-step explanation:

You have the equation $c=6n-\frac{5g}{11t}$ .

Then, to solve for the variable $n$ from the equation you need:

Make the subtraction of the right side of the equation:

(As the denominators are 1 and $11t$ , the least common denominator is $11t$ )

$c=\frac{(6n)(11t)-5g}{11t}\\\\c=\frac{66nt-5g}{11t}$

Multiply $11t$ to both sides:

$(11t)c=(\frac{66nt-5g}{11t})(11t)\\\\11tc=66nt-5g$

Add $5g$ to both sides:

$11tc+5g=66nt-5g+5g\\\\11tc+5g=66nt$

And finally divide both sides by $66t$ :

$\frac{11tc+5g}{66t}=\frac{66nt}{66t}\\\\\frac{11tc+5g}{66t}=n$

3 0

3 years ago