7(8x+7)-5(7x-7)=

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Solution for 7(8x+7)-5(7x-7)= equation:


Simplifying
7(8x + 7) + -5(7x + -7) = 0

Reorder the terms:
7(7 + 8x) + -5(7x + -7) = 0
(7 * 7 + 8x * 7) + -5(7x + -7) = 0
(49 + 56x) + -5(7x + -7) = 0

Reorder the terms:
49 + 56x + -5(-7 + 7x) = 0
49 + 56x + (-7 * -5 + 7x * -5) = 0
49 + 56x + (35 + -35x) = 0

Reorder the terms:
49 + 35 + 56x + -35x = 0

Combine like terms: 49 + 35 = 84
84 + 56x + -35x = 0

Combine like terms: 56x + -35x = 21x
84 + 21x = 0

Solving
84 + 21x = 0

Solving for variable 'x'.

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

Add '-84' to each side of the equation.
84 + -84 + 21x = 0 + -84

Combine like terms: 84 + -84 = 0
0 + 21x = 0 + -84
21x = 0 + -84

Combine like terms: 0 + -84 = -84
21x = -84

Divide each side by '21'.
x = -4

Simplifying
x = -4

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