4x-20+3x=90

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Solution for 4x-20+3x=90 equation: 


Simplifying
4x + -20 + 3x = 90

Reorder the terms:
-20 + 4x + 3x = 90

Combine like terms: 4x + 3x = 7x
-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 = 110
7x = 110

Divide each side by '7'.
x = 15.71428571

Simplifying
x = 15.71428571

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