1x+3(x+4)=20

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Solution for 1x+3(x+4)=20 equation:


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

Reorder the terms:
1x + 3(4 + x) = 20
1x + (4 * 3 + x * 3) = 20
1x + (12 + 3x) = 20

Reorder the terms:
12 + 1x + 3x = 20

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

Solving
12 + 4x = 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 + 4x = 20 + -12

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

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

Divide each side by '4'.
x = 2

Simplifying
x = 2

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