3x+4+5x+8=

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


Simplifying
3x + 4 + 5x + 8 = 0

Reorder the terms:
4 + 8 + 3x + 5x = 0

Combine like terms: 4 + 8 = 12
12 + 3x + 5x = 0

Combine like terms: 3x + 5x = 8x
12 + 8x = 0

Solving
12 + 8x = 0

Solving for variable 'x'.

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

Add '-12' to each side of the equation.
12 + -12 + 8x = 0 + -12

Combine like terms: 12 + -12 = 0
0 + 8x = 0 + -12
8x = 0 + -12

Combine like terms: 0 + -12 = -12
8x = -12

Divide each side by '8'.
x = -1.5

Simplifying
x = -1.5

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