5x-9=7x-18

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Solution for 5x-9=7x-18 equation:


Simplifying
5x + -9 = 7x + -18

Reorder the terms:
-9 + 5x = 7x + -18

Reorder the terms:
-9 + 5x = -18 + 7x

Solving
-9 + 5x = -18 + 7x

Solving for variable 'x'.

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

Add '-7x' to each side of the equation.
-9 + 5x + -7x = -18 + 7x + -7x

Combine like terms: 5x + -7x = -2x
-9 + -2x = -18 + 7x + -7x

Combine like terms: 7x + -7x = 0
-9 + -2x = -18 + 0
-9 + -2x = -18

Add '9' to each side of the equation.
-9 + 9 + -2x = -18 + 9

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

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

Divide each side by '-2'.
x = 4.5

Simplifying
x = 4.5

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