83=-1+7(x+8)

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Solution for 83=-1+7(x+8) equation:


Simplifying
83 = -1 + 7(x + 8)

Reorder the terms:
83 = -1 + 7(8 + x)
83 = -1 + (8 * 7 + x * 7)
83 = -1 + (56 + 7x)

Combine like terms: -1 + 56 = 55
83 = 55 + 7x

Solving
83 = 55 + 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.
83 + -7x = 55 + 7x + -7x

Combine like terms: 7x + -7x = 0
83 + -7x = 55 + 0
83 + -7x = 55

Add '-83' to each side of the equation.
83 + -83 + -7x = 55 + -83

Combine like terms: 83 + -83 = 0
0 + -7x = 55 + -83
-7x = 55 + -83

Combine like terms: 55 + -83 = -28
-7x = -28

Divide each side by '-7'.
x = 4

Simplifying
x = 4

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