4x+8=91-7x

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Solution for 4x+8=91-7x equation:


Simplifying
4x + 8 = 91 + -7x

Reorder the terms:
8 + 4x = 91 + -7x

Solving
8 + 4x = 91 + -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.
8 + 4x + 7x = 91 + -7x + 7x

Combine like terms: 4x + 7x = 11x
8 + 11x = 91 + -7x + 7x

Combine like terms: -7x + 7x = 0
8 + 11x = 91 + 0
8 + 11x = 91

Add '-8' to each side of the equation.
8 + -8 + 11x = 91 + -8

Combine like terms: 8 + -8 = 0
0 + 11x = 91 + -8
11x = 91 + -8

Combine like terms: 91 + -8 = 83
11x = 83

Divide each side by '11'.
x = 7.545454545

Simplifying
x = 7.545454545

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