20-4(x+2)=3+x

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


Simplifying
20 + -4(x + 2) = 3 + x

Reorder the terms:
20 + -4(2 + x) = 3 + x
20 + (2 * -4 + x * -4) = 3 + x
20 + (-8 + -4x) = 3 + x

Combine like terms: 20 + -8 = 12
12 + -4x = 3 + x

Solving
12 + -4x = 3 + x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
12 + -4x + -1x = 3 + x + -1x

Combine like terms: -4x + -1x = -5x
12 + -5x = 3 + x + -1x

Combine like terms: x + -1x = 0
12 + -5x = 3 + 0
12 + -5x = 3

Add '-12' to each side of the equation.
12 + -12 + -5x = 3 + -12

Combine like terms: 12 + -12 = 0
0 + -5x = 3 + -12
-5x = 3 + -12

Combine like terms: 3 + -12 = -9
-5x = -9

Divide each side by '-5'.
x = 1.8

Simplifying
x = 1.8

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