8.9z-7.9z+3.7=-3.2-8.5

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Solution for 8.9z-7.9z+3.7=-3.2-8.5 equation: 


Simplifying
8.9z + -7.9z + 3.7 = -3.2 + -8.5

Reorder the terms:
3.7 + 8.9z + -7.9z = -3.2 + -8.5

Combine like terms: 8.9z + -7.9z = 1z
3.7 + 1z = -3.2 + -8.5

Combine like terms: -3.2 + -8.5 = -11.7
3.7 + 1z = -11.7

Solving
3.7 + 1z = -11.7

Solving for variable 'z'.

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

Add '-3.7' to each side of the equation.
3.7 + -3.7 + 1z = -11.7 + -3.7

Combine like terms: 3.7 + -3.7 = 0.0
0.0 + 1z = -11.7 + -3.7
1z = -11.7 + -3.7

Combine like terms: -11.7 + -3.7 = -15.4
1z = -15.4

Divide each side by '1'.
z = -15.4

Simplifying
z = -15.4

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