-6(3+7v)-7(1-7v)=-4

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Solution for -6(3+7v)-7(1-7v)=-4 equation:


Simplifying
-6(3 + 7v) + -7(1 + -7v) = -4
(3 * -6 + 7v * -6) + -7(1 + -7v) = -4
(-18 + -42v) + -7(1 + -7v) = -4
-18 + -42v + (1 * -7 + -7v * -7) = -4
-18 + -42v + (-7 + 49v) = -4

Reorder the terms:
-18 + -7 + -42v + 49v = -4

Combine like terms: -18 + -7 = -25
-25 + -42v + 49v = -4

Combine like terms: -42v + 49v = 7v
-25 + 7v = -4

Solving
-25 + 7v = -4

Solving for variable 'v'.

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

Add '25' to each side of the equation.
-25 + 25 + 7v = -4 + 25

Combine like terms: -25 + 25 = 0
0 + 7v = -4 + 25
7v = -4 + 25

Combine like terms: -4 + 25 = 21
7v = 21

Divide each side by '7'.
v = 3

Simplifying
v = 3

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