7(v-5)-7=-4(-2v+8)-9v

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Solution for 7(v-5)-7=-4(-2v+8)-9v equation:


Simplifying
7(v + -5) + -7 = -4(-2v + 8) + -9v

Reorder the terms:
7(-5 + v) + -7 = -4(-2v + 8) + -9v
(-5 * 7 + v * 7) + -7 = -4(-2v + 8) + -9v
(-35 + 7v) + -7 = -4(-2v + 8) + -9v

Reorder the terms:
-35 + -7 + 7v = -4(-2v + 8) + -9v

Combine like terms: -35 + -7 = -42
-42 + 7v = -4(-2v + 8) + -9v

Reorder the terms:
-42 + 7v = -4(8 + -2v) + -9v
-42 + 7v = (8 * -4 + -2v * -4) + -9v
-42 + 7v = (-32 + 8v) + -9v

Combine like terms: 8v + -9v = -1v
-42 + 7v = -32 + -1v

Solving
-42 + 7v = -32 + -1v

Solving for variable 'v'.

Move all terms containing v to the left, all other terms to the right.

Add 'v' to each side of the equation.
-42 + 7v + v = -32 + -1v + v

Combine like terms: 7v + v = 8v
-42 + 8v = -32 + -1v + v

Combine like terms: -1v + v = 0
-42 + 8v = -32 + 0
-42 + 8v = -32

Add '42' to each side of the equation.
-42 + 42 + 8v = -32 + 42

Combine like terms: -42 + 42 = 0
0 + 8v = -32 + 42
8v = -32 + 42

Combine like terms: -32 + 42 = 10
8v = 10

Divide each side by '8'.
v = 1.25

Simplifying
v = 1.25

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