18x-13=7x+20

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Solution for 18x-13=7x+20 equation:


Simplifying
18x + -13 = 7x + 20

Reorder the terms:
-13 + 18x = 7x + 20

Reorder the terms:
-13 + 18x = 20 + 7x

Solving
-13 + 18x = 20 + 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.
-13 + 18x + -7x = 20 + 7x + -7x

Combine like terms: 18x + -7x = 11x
-13 + 11x = 20 + 7x + -7x

Combine like terms: 7x + -7x = 0
-13 + 11x = 20 + 0
-13 + 11x = 20

Add '13' to each side of the equation.
-13 + 13 + 11x = 20 + 13

Combine like terms: -13 + 13 = 0
0 + 11x = 20 + 13
11x = 20 + 13

Combine like terms: 20 + 13 = 33
11x = 33

Divide each side by '11'.
x = 3

Simplifying
x = 3

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