7x-9=10x-18

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Solution for 7x-9=10x-18 equation:


Simplifying
7x + -9 = 10x + -18

Reorder the terms:
-9 + 7x = 10x + -18

Reorder the terms:
-9 + 7x = -18 + 10x

Solving
-9 + 7x = -18 + 10x

Solving for variable 'x'.

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

Add '-10x' to each side of the equation.
-9 + 7x + -10x = -18 + 10x + -10x

Combine like terms: 7x + -10x = -3x
-9 + -3x = -18 + 10x + -10x

Combine like terms: 10x + -10x = 0
-9 + -3x = -18 + 0
-9 + -3x = -18

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

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

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

Divide each side by '-3'.
x = 3

Simplifying
x = 3

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