7x+7(x-2)=140

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Solution for 7x+7(x-2)=140 equation:


Simplifying
7x + 7(x + -2) = 140

Reorder the terms:
7x + 7(-2 + x) = 140
7x + (-2 * 7 + x * 7) = 140
7x + (-14 + 7x) = 140

Reorder the terms:
-14 + 7x + 7x = 140

Combine like terms: 7x + 7x = 14x
-14 + 14x = 140

Solving
-14 + 14x = 140

Solving for variable 'x'.

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

Add '14' to each side of the equation.
-14 + 14 + 14x = 140 + 14

Combine like terms: -14 + 14 = 0
0 + 14x = 140 + 14
14x = 140 + 14

Combine like terms: 140 + 14 = 154
14x = 154

Divide each side by '14'.
x = 11

Simplifying
x = 11

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