91=64+9x

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Solution for 91=64+9x equation:


Simplifying
91 = 64 + 9x

Solving
91 = 64 + 9x

Solving for variable 'x'.

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

Add '-9x' to each side of the equation.
91 + -9x = 64 + 9x + -9x

Combine like terms: 9x + -9x = 0
91 + -9x = 64 + 0
91 + -9x = 64

Add '-91' to each side of the equation.
91 + -91 + -9x = 64 + -91

Combine like terms: 91 + -91 = 0
0 + -9x = 64 + -91
-9x = 64 + -91

Combine like terms: 64 + -91 = -27
-9x = -27

Divide each side by '-9'.
x = 3

Simplifying
x = 3

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