3x-13=18-7x

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Solution for 3x-13=18-7x equation:


Simplifying
3x + -13 = 18 + -7x

Reorder the terms:
-13 + 3x = 18 + -7x

Solving
-13 + 3x = 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.
-13 + 3x + 7x = 18 + -7x + 7x

Combine like terms: 3x + 7x = 10x
-13 + 10x = 18 + -7x + 7x

Combine like terms: -7x + 7x = 0
-13 + 10x = 18 + 0
-13 + 10x = 18

Add '13' to each side of the equation.
-13 + 13 + 10x = 18 + 13

Combine like terms: -13 + 13 = 0
0 + 10x = 18 + 13
10x = 18 + 13

Combine like terms: 18 + 13 = 31
10x = 31

Divide each side by '10'.
x = 3.1

Simplifying
x = 3.1

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