18x+9=5x+100

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Solution for 18x+9=5x+100 equation:


Simplifying
18x + 9 = 5x + 100

Reorder the terms:
9 + 18x = 5x + 100

Reorder the terms:
9 + 18x = 100 + 5x

Solving
9 + 18x = 100 + 5x

Solving for variable 'x'.

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

Add '-5x' to each side of the equation.
9 + 18x + -5x = 100 + 5x + -5x

Combine like terms: 18x + -5x = 13x
9 + 13x = 100 + 5x + -5x

Combine like terms: 5x + -5x = 0
9 + 13x = 100 + 0
9 + 13x = 100

Add '-9' to each side of the equation.
9 + -9 + 13x = 100 + -9

Combine like terms: 9 + -9 = 0
0 + 13x = 100 + -9
13x = 100 + -9

Combine like terms: 100 + -9 = 91
13x = 91

Divide each side by '13'.
x = 7

Simplifying
x = 7

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