6.4x-3.5x=-87

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Solution for 6.4x-3.5x=-87 equation: 


Simplifying
6.4x + -3.5x = -87

Combine like terms: 6.4x + -3.5x = 2.9x
2.9x = -87

Solving
2.9x = -87

Solving for variable 'x'.

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

Divide each side by '2.9'.
x = -30

Simplifying
x = -30

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