15-3x+2+4x=20

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Solution for 15-3x+2+4x=20 equation:


Simplifying
15 + -3x + 2 + 4x = 20

Reorder the terms:
15 + 2 + -3x + 4x = 20

Combine like terms: 15 + 2 = 17
17 + -3x + 4x = 20

Combine like terms: -3x + 4x = 1x
17 + 1x = 20

Solving
17 + 1x = 20

Solving for variable 'x'.

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

Add '-17' to each side of the equation.
17 + -17 + 1x = 20 + -17

Combine like terms: 17 + -17 = 0
0 + 1x = 20 + -17
1x = 20 + -17

Combine like terms: 20 + -17 = 3
1x = 3

Divide each side by '1'.
x = 3

Simplifying
x = 3

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