4x+18=x+45

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Solution for 4x+18=x+45 equation:


Simplifying
4x + 18 = x + 45

Reorder the terms:
18 + 4x = x + 45

Reorder the terms:
18 + 4x = 45 + x

Solving
18 + 4x = 45 + 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.
18 + 4x + -1x = 45 + x + -1x

Combine like terms: 4x + -1x = 3x
18 + 3x = 45 + x + -1x

Combine like terms: x + -1x = 0
18 + 3x = 45 + 0
18 + 3x = 45

Add '-18' to each side of the equation.
18 + -18 + 3x = 45 + -18

Combine like terms: 18 + -18 = 0
0 + 3x = 45 + -18
3x = 45 + -18

Combine like terms: 45 + -18 = 27
3x = 27

Divide each side by '3'.
x = 9

Simplifying
x = 9

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