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balandron [24]
3 years ago
10

Pleasee help I need to pass this class!!!! Solve for x

Mathematics
2 answers:
d1i1m1o1n [39]3 years ago
8 0
Hey!


First, we'll drop the parenthesis and add seven to both sides of the equation. We are doing this to remove the subtract seven that is on the right side of the equation.

<em>Original Equation :</em>
(\frac{-9}{8} ) x -7 = -25

<em>New Equation {Added Add 7 to Both Sides} :</em>
- \frac{9}{8} x-7+7=-25+7

Now, we'll simplify that equation.

<em>Old Equation :</em>
- \frac{9}{8} x-7+7=-25+7

<em>New Equation {Old Equation Simplified} :</em>
- \frac{9}{8} x=-18

Next, we need to multiply both sides of the equation by negative eight. This will get rid of the fraction.

<em>Old Equation :</em>
- \frac{9}{8} x=-18

<em>New Equation {Added Multiply Both Sides by -8} :</em>
( -\frac{9}{8}x )(-8)=(-18)(-8)

Once again, we simplify.

<em>Old Equation :</em>
( -\frac{9}{8}x )(-8)=(-18)(-8)

<em>New Equation {Old Equation Simplified} :</em>
9x=144

Next, we divide both sides by nine to get x on its own.

<em>Old Equation :</em>
9x=144

<em>New Equation {Added Divide Both Sides by 2} :</em>
\frac{9x}{9} = \frac{144}{9}

Now we solve.

<em>Solution {New Equation Solved} :</em>
x=16

<em>So, this means that in the equation provided</em>,  x = 16.

Hope this helps!


- Lindsey Frazier ♥
Nady [450]3 years ago
5 0
C. X = 16

To solve, add 7 to both sides and multiply by the reciprocal of \frac{-9}{8}, \frac{-8}{9}.

( \frac{-9}{8} ) X - 7 = -25&#10;&#10;&#10;
( \frac{-9}{8} ) X = -18
X = 16
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