5x+3(x+4)=20

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Solution for 5x+3(x+4)=20 equation:


Simplifying
5x + 3(x + 4) = 20

Reorder the terms:
5x + 3(4 + x) = 20
5x + (4 * 3 + x * 3) = 20
5x + (12 + 3x) = 20

Reorder the terms:
12 + 5x + 3x = 20

Combine like terms: 5x + 3x = 8x
12 + 8x = 20

Solving
12 + 8x = 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 + 8x = 20 + -12

Combine like terms: 12 + -12 = 0
0 + 8x = 20 + -12
8x = 20 + -12

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

Divide each side by '8'.
x = 1

Simplifying
x = 1

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