10x+45=x+81

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Solution for 10x+45=x+81 equation:


Simplifying
10x + 45 = x + 81

Reorder the terms:
45 + 10x = x + 81

Reorder the terms:
45 + 10x = 81 + x

Solving
45 + 10x = 81 + x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
45 + 10x + -1x = 81 + x + -1x

Combine like terms: 10x + -1x = 9x
45 + 9x = 81 + x + -1x

Combine like terms: x + -1x = 0
45 + 9x = 81 + 0
45 + 9x = 81

Add '-45' to each side of the equation.
45 + -45 + 9x = 81 + -45

Combine like terms: 45 + -45 = 0
0 + 9x = 81 + -45
9x = 81 + -45

Combine like terms: 81 + -45 = 36
9x = 36

Divide each side by '9'.
x = 4

Simplifying
x = 4

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