10+7x+3x=90

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Solution for 10+7x+3x=90 equation: 


Simplifying
10 + 7x + 3x = 90

Combine like terms: 7x + 3x = 10x
10 + 10x = 90

Solving
10 + 10x = 90

Solving for variable 'x'.

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

Add '-10' to each side of the equation.
10 + -10 + 10x = 90 + -10

Combine like terms: 10 + -10 = 0
0 + 10x = 90 + -10
10x = 90 + -10

Combine like terms: 90 + -10 = 80
10x = 80

Divide each side by '10'.
x = 8

Simplifying
x = 8

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