4x+5+3x-20=90

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Solution for 4x+5+3x-20=90 equation:


Simplifying
4x + 5 + 3x + -20 = 90

Reorder the terms:
5 + -20 + 4x + 3x = 90

Combine like terms: 5 + -20 = -15
-15 + 4x + 3x = 90

Combine like terms: 4x + 3x = 7x
-15 + 7x = 90

Solving
-15 + 7x = 90

Solving for variable 'x'.

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

Add '15' to each side of the equation.
-15 + 15 + 7x = 90 + 15

Combine like terms: -15 + 15 = 0
0 + 7x = 90 + 15
7x = 90 + 15

Combine like terms: 90 + 15 = 105
7x = 105

Divide each side by '7'.
x = 15

Simplifying
x = 15

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