91=7(x+8)

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


Simplifying
91 = 7(x + 8)

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

Solving
91 = 56 + 7x

Solving for variable 'x'.

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

Add '-7x' to each side of the equation.
91 + -7x = 56 + 7x + -7x

Combine like terms: 7x + -7x = 0
91 + -7x = 56 + 0
91 + -7x = 56

Add '-91' to each side of the equation.
91 + -91 + -7x = 56 + -91

Combine like terms: 91 + -91 = 0
0 + -7x = 56 + -91
-7x = 56 + -91

Combine like terms: 56 + -91 = -35
-7x = -35

Divide each side by '-7'.
x = 5

Simplifying
x = 5

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