7x-18=45-2x

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Solution for 7x-18=45-2x equation:


Simplifying
7x + -18 = 45 + -2x

Reorder the terms:
-18 + 7x = 45 + -2x

Solving
-18 + 7x = 45 + -2x

Solving for variable 'x'.

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

Add '2x' to each side of the equation.
-18 + 7x + 2x = 45 + -2x + 2x

Combine like terms: 7x + 2x = 9x
-18 + 9x = 45 + -2x + 2x

Combine like terms: -2x + 2x = 0
-18 + 9x = 45 + 0
-18 + 9x = 45

Add '18' to each side of the equation.
-18 + 18 + 9x = 45 + 18

Combine like terms: -18 + 18 = 0
0 + 9x = 45 + 18
9x = 45 + 18

Combine like terms: 45 + 18 = 63
9x = 63

Divide each side by '9'.
x = 7

Simplifying
x = 7

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