28=7v+2(v-4)

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Solution for 28=7v+2(v-4) equation:


Simplifying
28 = 7v + 2(v + -4)

Reorder the terms:
28 = 7v + 2(-4 + v)
28 = 7v + (-4 * 2 + v * 2)
28 = 7v + (-8 + 2v)

Reorder the terms:
28 = -8 + 7v + 2v

Combine like terms: 7v + 2v = 9v
28 = -8 + 9v

Solving
28 = -8 + 9v

Solving for variable 'v'.

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

Add '-9v' to each side of the equation.
28 + -9v = -8 + 9v + -9v

Combine like terms: 9v + -9v = 0
28 + -9v = -8 + 0
28 + -9v = -8

Add '-28' to each side of the equation.
28 + -28 + -9v = -8 + -28

Combine like terms: 28 + -28 = 0
0 + -9v = -8 + -28
-9v = -8 + -28

Combine like terms: -8 + -28 = -36
-9v = -36

Divide each side by '-9'.
v = 4

Simplifying
v = 4

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