3x+8=(x+1)+4

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Solution for 3x+8=(x+1)+4 equation:


Simplifying
3x + 8 = (x + 1) + 4

Reorder the terms:
8 + 3x = (x + 1) + 4

Reorder the terms:
8 + 3x = (1 + x) + 4

Remove parenthesis around (1 + x)
8 + 3x = 1 + x + 4

Reorder the terms:
8 + 3x = 1 + 4 + x

Combine like terms: 1 + 4 = 5
8 + 3x = 5 + x

Solving
8 + 3x = 5 + 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.
8 + 3x + -1x = 5 + x + -1x

Combine like terms: 3x + -1x = 2x
8 + 2x = 5 + x + -1x

Combine like terms: x + -1x = 0
8 + 2x = 5 + 0
8 + 2x = 5

Add '-8' to each side of the equation.
8 + -8 + 2x = 5 + -8

Combine like terms: 8 + -8 = 0
0 + 2x = 5 + -8
2x = 5 + -8

Combine like terms: 5 + -8 = -3
2x = -3

Divide each side by '2'.
x = -1.5

Simplifying
x = -1.5

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