3x-(4-x)=20

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Solution for 3x-(4-x)=20 equation:


Simplifying
3x + -1(4 + -1x) = 20
3x + (4 * -1 + -1x * -1) = 20
3x + (-4 + 1x) = 20

Reorder the terms:
-4 + 3x + 1x = 20

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

Solving
-4 + 4x = 20

Solving for variable 'x'.

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

Add '4' to each side of the equation.
-4 + 4 + 4x = 20 + 4

Combine like terms: -4 + 4 = 0
0 + 4x = 20 + 4
4x = 20 + 4

Combine like terms: 20 + 4 = 24
4x = 24

Divide each side by '4'.
x = 6

Simplifying
x = 6

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