3x-4(x+3)=20

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


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

Reorder the terms:
3x + -4(3 + x) = 20
3x + (3 * -4 + x * -4) = 20
3x + (-12 + -4x) = 20

Reorder the terms:
-12 + 3x + -4x = 20

Combine like terms: 3x + -4x = -1x
-12 + -1x = 20

Solving
-12 + -1x = 20

Solving for variable 'x'.

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

Add '12' to each side of the equation.
-12 + 12 + -1x = 20 + 12

Combine like terms: -12 + 12 = 0
0 + -1x = 20 + 12
-1x = 20 + 12

Combine like terms: 20 + 12 = 32
-1x = 32

Divide each side by '-1'.
x = -32

Simplifying
x = -32

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