7x+20=90

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Solution for 7x+20=90 equation: 


Simplifying
7x + 20 = 90

Reorder the terms:
20 + 7x = 90

Solving
20 + 7x = 90

Solving for variable 'x'.

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

Add '-20' to each side of the equation.
20 + -20 + 7x = 90 + -20

Combine like terms: 20 + -20 = 0
0 + 7x = 90 + -20
7x = 90 + -20

Combine like terms: 90 + -20 = 70
7x = 70

Divide each side by '7'.
x = 10

Simplifying
x = 10

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