7x-18=9x+3

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Solution for 7x-18=9x+3 equation:


Simplifying
7x + -18 = 9x + 3

Reorder the terms:
-18 + 7x = 9x + 3

Reorder the terms:
-18 + 7x = 3 + 9x

Solving
-18 + 7x = 3 + 9x

Solving for variable 'x'.

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

Add '-9x' to each side of the equation.
-18 + 7x + -9x = 3 + 9x + -9x

Combine like terms: 7x + -9x = -2x
-18 + -2x = 3 + 9x + -9x

Combine like terms: 9x + -9x = 0
-18 + -2x = 3 + 0
-18 + -2x = 3

Add '18' to each side of the equation.
-18 + 18 + -2x = 3 + 18

Combine like terms: -18 + 18 = 0
0 + -2x = 3 + 18
-2x = 3 + 18

Combine like terms: 3 + 18 = 21
-2x = 21

Divide each side by '-2'.
x = -10.5

Simplifying
x = -10.5

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