9x-77=7x-45

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Solution for 9x-77=7x-45 equation:


Simplifying
9x + -77 = 7x + -45

Reorder the terms:
-77 + 9x = 7x + -45

Reorder the terms:
-77 + 9x = -45 + 7x

Solving
-77 + 9x = -45 + 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.
-77 + 9x + -7x = -45 + 7x + -7x

Combine like terms: 9x + -7x = 2x
-77 + 2x = -45 + 7x + -7x

Combine like terms: 7x + -7x = 0
-77 + 2x = -45 + 0
-77 + 2x = -45

Add '77' to each side of the equation.
-77 + 77 + 2x = -45 + 77

Combine like terms: -77 + 77 = 0
0 + 2x = -45 + 77
2x = -45 + 77

Combine like terms: -45 + 77 = 32
2x = 32

Divide each side by '2'.
x = 16

Simplifying
x = 16

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