7(8)=3(5v-21)

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Solution for 7(8)=3(5v-21) equation:


Simplifying
7(8) = 3(5v + -21)

Multiply 7 * 8
56 = 3(5v + -21)

Reorder the terms:
56 = 3(-21 + 5v)
56 = (-21 * 3 + 5v * 3)
56 = (-63 + 15v)

Solving
56 = -63 + 15v

Solving for variable 'v'.

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

Add '-15v' to each side of the equation.
56 + -15v = -63 + 15v + -15v

Combine like terms: 15v + -15v = 0
56 + -15v = -63 + 0
56 + -15v = -63

Add '-56' to each side of the equation.
56 + -56 + -15v = -63 + -56

Combine like terms: 56 + -56 = 0
0 + -15v = -63 + -56
-15v = -63 + -56

Combine like terms: -63 + -56 = -119
-15v = -119

Divide each side by '-15'.
v = 7.933333333

Simplifying
v = 7.933333333

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