8+a=a-1+3*(x+1)

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Solution for 8+a=a-1+3*(x+1) equation:


Simplifying
8 + a = a + -1 + 3(x + 1)

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

Reorder the terms:
8 + a = -1 + 3 + a + 3x

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

Add '-1a' to each side of the equation.
8 + a + -1a = 2 + a + -1a + 3x

Combine like terms: a + -1a = 0
8 + 0 = 2 + a + -1a + 3x
8 = 2 + a + -1a + 3x

Combine like terms: a + -1a = 0
8 = 2 + 0 + 3x
8 = 2 + 3x

Solving
8 = 2 + 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 + -3x = 2 + 3x + -3x

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

Add '-8' to each side of the equation.
8 + -8 + -3x = 2 + -8

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

Combine like terms: 2 + -8 = -6
-3x = -6

Divide each side by '-3'.
x = 2

Simplifying
x = 2

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