3x+8+7x-4=

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Solution for 3x+8+7x-4= equation:


Simplifying
3x + 8 + 7x + -4 = 0

Reorder the terms:
8 + -4 + 3x + 7x = 0

Combine like terms: 8 + -4 = 4
4 + 3x + 7x = 0

Combine like terms: 3x + 7x = 10x
4 + 10x = 0

Solving
4 + 10x = 0

Solving for variable 'x'.

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

Add '-4' to each side of the equation.
4 + -4 + 10x = 0 + -4

Combine like terms: 4 + -4 = 0
0 + 10x = 0 + -4
10x = 0 + -4

Combine like terms: 0 + -4 = -4
10x = -4

Divide each side by '10'.
x = -0.4

Simplifying
x = -0.4

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