9x-45=8x-40

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Solution for 9x-45=8x-40 equation:


Simplifying
9x + -45 = 8x + -40

Reorder the terms:
-45 + 9x = 8x + -40

Reorder the terms:
-45 + 9x = -40 + 8x

Solving
-45 + 9x = -40 + 8x

Solving for variable 'x'.

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

Add '-8x' to each side of the equation.
-45 + 9x + -8x = -40 + 8x + -8x

Combine like terms: 9x + -8x = 1x
-45 + 1x = -40 + 8x + -8x

Combine like terms: 8x + -8x = 0
-45 + 1x = -40 + 0
-45 + 1x = -40

Add '45' to each side of the equation.
-45 + 45 + 1x = -40 + 45

Combine like terms: -45 + 45 = 0
0 + 1x = -40 + 45
1x = -40 + 45

Combine like terms: -40 + 45 = 5
1x = 5

Divide each side by '1'.
x = 5

Simplifying
x = 5

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