-3x+8(x+7)=91

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Solution for -3x+8(x+7)=91 equation:


Simplifying
-3x + 8(x + 7) = 91

Reorder the terms:
-3x + 8(7 + x) = 91
-3x + (7 * 8 + x * 8) = 91
-3x + (56 + 8x) = 91

Reorder the terms:
56 + -3x + 8x = 91

Combine like terms: -3x + 8x = 5x
56 + 5x = 91

Solving
56 + 5x = 91

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 + 5x = 91 + -56

Combine like terms: 56 + -56 = 0
0 + 5x = 91 + -56
5x = 91 + -56

Combine like terms: 91 + -56 = 35
5x = 35

Divide each side by '5'.
x = 7

Simplifying
x = 7

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