3x+7(x+8)=126

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Solution for 3x+7(x+8)=126 equation:


Simplifying
3x + 7(x + 8) = 126

Reorder the terms:
3x + 7(8 + x) = 126
3x + (8 * 7 + x * 7) = 126
3x + (56 + 7x) = 126

Reorder the terms:
56 + 3x + 7x = 126

Combine like terms: 3x + 7x = 10x
56 + 10x = 126

Solving
56 + 10x = 126

Solving for variable 'x'.

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

Add '-56' to each side of the equation.
56 + -56 + 10x = 126 + -56

Combine like terms: 56 + -56 = 0
0 + 10x = 126 + -56
10x = 126 + -56

Combine like terms: 126 + -56 = 70
10x = 70

Divide each side by '10'.
x = 7

Simplifying
x = 7

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