3(x+5)+7=x+8

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Solution for 3(x+5)+7=x+8 equation:


Simplifying
3(x + 5) + 7 = x + 8

Reorder the terms:
3(5 + x) + 7 = x + 8
(5 * 3 + x * 3) + 7 = x + 8
(15 + 3x) + 7 = x + 8

Reorder the terms:
15 + 7 + 3x = x + 8

Combine like terms: 15 + 7 = 22
22 + 3x = x + 8

Reorder the terms:
22 + 3x = 8 + x

Solving
22 + 3x = 8 + 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.
22 + 3x + -1x = 8 + x + -1x

Combine like terms: 3x + -1x = 2x
22 + 2x = 8 + x + -1x

Combine like terms: x + -1x = 0
22 + 2x = 8 + 0
22 + 2x = 8

Add '-22' to each side of the equation.
22 + -22 + 2x = 8 + -22

Combine like terms: 22 + -22 = 0
0 + 2x = 8 + -22
2x = 8 + -22

Combine like terms: 8 + -22 = -14
2x = -14

Divide each side by '2'.
x = -7

Simplifying
x = -7

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