13x+20=90

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Solution for 13x+20=90 equation: 


Simplifying
13x + 20 = 90

Reorder the terms:
20 + 13x = 90

Solving
20 + 13x = 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 + 13x = 90 + -20

Combine like terms: 20 + -20 = 0
0 + 13x = 90 + -20
13x = 90 + -20

Combine like terms: 90 + -20 = 70
13x = 70

Divide each side by '13'.
x = 5.384615385

Simplifying
x = 5.384615385

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