7x+2+2x=20

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Solution for 7x+2+2x=20 equation: 


Simplifying
7x + 2 + 2x = 20

Reorder the terms:
2 + 7x + 2x = 20

Combine like terms: 7x + 2x = 9x
2 + 9x = 20

Solving
2 + 9x = 20

Solving for variable 'x'.

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

Add '-2' to each side of the equation.
2 + -2 + 9x = 20 + -2

Combine like terms: 2 + -2 = 0
0 + 9x = 20 + -2
9x = 20 + -2

Combine like terms: 20 + -2 = 18
9x = 18

Divide each side by '9'.
x = 2

Simplifying
x = 2

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