20=4(3+x)

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


Simplifying
20 = 4(3 + x)
20 = (3 * 4 + x * 4)
20 = (12 + 4x)

Solving
20 = 12 + 4x

Solving for variable 'x'.

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

Add '-4x' to each side of the equation.
20 + -4x = 12 + 4x + -4x

Combine like terms: 4x + -4x = 0
20 + -4x = 12 + 0
20 + -4x = 12

Add '-20' to each side of the equation.
20 + -20 + -4x = 12 + -20

Combine like terms: 20 + -20 = 0
0 + -4x = 12 + -20
-4x = 12 + -20

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

Divide each side by '-4'.
x = 2

Simplifying
x = 2

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