x+8=3(x+1)+7

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Solution for x+8=3(x+1)+7 equation:


Simplifying
x + 8 = 3(x + 1) + 7

Reorder the terms:
8 + x = 3(x + 1) + 7

Reorder the terms:
8 + x = 3(1 + x) + 7
8 + x = (1 * 3 + x * 3) + 7
8 + x = (3 + 3x) + 7

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

Combine like terms: 3 + 7 = 10
8 + x = 10 + 3x

Solving
8 + x = 10 + 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.
8 + x + -3x = 10 + 3x + -3x

Combine like terms: x + -3x = -2x
8 + -2x = 10 + 3x + -3x

Combine like terms: 3x + -3x = 0
8 + -2x = 10 + 0
8 + -2x = 10

Add '-8' to each side of the equation.
8 + -8 + -2x = 10 + -8

Combine like terms: 8 + -8 = 0
0 + -2x = 10 + -8
-2x = 10 + -8

Combine like terms: 10 + -8 = 2
-2x = 2

Divide each side by '-2'.
x = -1

Simplifying
x = -1

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