3.5x+42.9=-17.9-9.0

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Solution for 3.5x+42.9=-17.9-9.0 equation: 


Simplifying
3.5x + 42.9 = -17.9 + -9.0

Reorder the terms:
42.9 + 3.5x = -17.9 + -9.0

Combine like terms: -17.9 + -9.0 = -26.9
42.9 + 3.5x = -26.9

Solving
42.9 + 3.5x = -26.9

Solving for variable 'x'.

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

Add '-42.9' to each side of the equation.
42.9 + -42.9 + 3.5x = -26.9 + -42.9

Combine like terms: 42.9 + -42.9 = 0.0
0.0 + 3.5x = -26.9 + -42.9
3.5x = -26.9 + -42.9

Combine like terms: -26.9 + -42.9 = -69.8
3.5x = -69.8

Divide each side by '3.5'.
x = -19.94285714

Simplifying
x = -19.94285714

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