7x+7(x-5)=91

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Solution for 7x+7(x-5)=91 equation:


Simplifying
7x + 7(x + -5) = 91

Reorder the terms:
7x + 7(-5 + x) = 91
7x + (-5 * 7 + x * 7) = 91
7x + (-35 + 7x) = 91

Reorder the terms:
-35 + 7x + 7x = 91

Combine like terms: 7x + 7x = 14x
-35 + 14x = 91

Solving
-35 + 14x = 91

Solving for variable 'x'.

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

Add '35' to each side of the equation.
-35 + 35 + 14x = 91 + 35

Combine like terms: -35 + 35 = 0
0 + 14x = 91 + 35
14x = 91 + 35

Combine like terms: 91 + 35 = 126
14x = 126

Divide each side by '14'.
x = 9

Simplifying
x = 9

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