7x+2(5x+5)=129

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Solution for 7x+2(5x+5)=129 equation:


Simplifying
7x + 2(5x + 5) = 129

Reorder the terms:
7x + 2(5 + 5x) = 129
7x + (5 * 2 + 5x * 2) = 129
7x + (10 + 10x) = 129

Reorder the terms:
10 + 7x + 10x = 129

Combine like terms: 7x + 10x = 17x
10 + 17x = 129

Solving
10 + 17x = 129

Solving for variable 'x'.

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

Add '-10' to each side of the equation.
10 + -10 + 17x = 129 + -10

Combine like terms: 10 + -10 = 0
0 + 17x = 129 + -10
17x = 129 + -10

Combine like terms: 129 + -10 = 119
17x = 119

Divide each side by '17'.
x = 7

Simplifying
x = 7

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