7x+10-5x+20=18

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Solution for 7x+10-5x+20=18 equation:


Simplifying
7x + 10 + -5x + 20 = 18

Reorder the terms:
10 + 20 + 7x + -5x = 18

Combine like terms: 10 + 20 = 30
30 + 7x + -5x = 18

Combine like terms: 7x + -5x = 2x
30 + 2x = 18

Solving
30 + 2x = 18

Solving for variable 'x'.

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

Add '-30' to each side of the equation.
30 + -30 + 2x = 18 + -30

Combine like terms: 30 + -30 = 0
0 + 2x = 18 + -30
2x = 18 + -30

Combine like terms: 18 + -30 = -12
2x = -12

Divide each side by '2'.
x = -6

Simplifying
x = -6

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