7(x+8)=3x+20

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Solution for 7(x+8)=3x+20 equation:


Simplifying
7(x + 8) = 3x + 20

Reorder the terms:
7(8 + x) = 3x + 20
(8 * 7 + x * 7) = 3x + 20
(56 + 7x) = 3x + 20

Reorder the terms:
56 + 7x = 20 + 3x

Solving
56 + 7x = 20 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
56 + 7x + -3x = 20 + 3x + -3x

Combine like terms: 7x + -3x = 4x
56 + 4x = 20 + 3x + -3x

Combine like terms: 3x + -3x = 0
56 + 4x = 20 + 0
56 + 4x = 20

Add '-56' to each side of the equation.
56 + -56 + 4x = 20 + -56

Combine like terms: 56 + -56 = 0
0 + 4x = 20 + -56
4x = 20 + -56

Combine like terms: 20 + -56 = -36
4x = -36

Divide each side by '4'.
x = -9

Simplifying
x = -9

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