3x-15+2x=20

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Solution for 3x-15+2x=20 equation:


Simplifying
3x + -15 + 2x = 20

Reorder the terms:
-15 + 3x + 2x = 20

Combine like terms: 3x + 2x = 5x
-15 + 5x = 20

Solving
-15 + 5x = 20

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 + 5x = 20 + 15

Combine like terms: -15 + 15 = 0
0 + 5x = 20 + 15
5x = 20 + 15

Combine like terms: 20 + 15 = 35
5x = 35

Divide each side by '5'.
x = 7

Simplifying
x = 7

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