-20-3x+4x=7

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Solution for -20-3x+4x=7 equation: 


Simplifying
-20 + -3x + 4x = 7

Combine like terms: -3x + 4x = 1x
-20 + 1x = 7

Solving
-20 + 1x = 7

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 + 1x = 7 + 20

Combine like terms: -20 + 20 = 0
0 + 1x = 7 + 20
1x = 7 + 20

Combine like terms: 7 + 20 = 27
1x = 27

Divide each side by '1'.
x = 27

Simplifying
x = 27

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