3x+8=-5x+4

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Solution for 3x+8=-5x+4 equation:


Simplifying
3x + 8 = -5x + 4

Reorder the terms:
8 + 3x = -5x + 4

Reorder the terms:
8 + 3x = 4 + -5x

Solving
8 + 3x = 4 + -5x

Solving for variable 'x'.

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

Add '5x' to each side of the equation.
8 + 3x + 5x = 4 + -5x + 5x

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

Combine like terms: -5x + 5x = 0
8 + 8x = 4 + 0
8 + 8x = 4

Add '-8' to each side of the equation.
8 + -8 + 8x = 4 + -8

Combine like terms: 8 + -8 = 0
0 + 8x = 4 + -8
8x = 4 + -8

Combine like terms: 4 + -8 = -4
8x = -4

Divide each side by '8'.
x = -0.5

Simplifying
x = -0.5

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