-4(2.5z+3)=8.5z-15-1.5z

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Solution for -4(2.5z+3)=8.5z-15-1.5z equation:


Simplifying
-4(2.5z + 3) = 8.5z + -15 + -1.5z

Reorder the terms:
-4(3 + 2.5z) = 8.5z + -15 + -1.5z
(3 * -4 + 2.5z * -4) = 8.5z + -15 + -1.5z
(-12 + -10z) = 8.5z + -15 + -1.5z

Reorder the terms:
-12 + -10z = -15 + 8.5z + -1.5z

Combine like terms: 8.5z + -1.5z = 7z
-12 + -10z = -15 + 7z

Solving
-12 + -10z = -15 + 7z

Solving for variable 'z'.

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

Add '-7z' to each side of the equation.
-12 + -10z + -7z = -15 + 7z + -7z

Combine like terms: -10z + -7z = -17z
-12 + -17z = -15 + 7z + -7z

Combine like terms: 7z + -7z = 0
-12 + -17z = -15 + 0
-12 + -17z = -15

Add '12' to each side of the equation.
-12 + 12 + -17z = -15 + 12

Combine like terms: -12 + 12 = 0
0 + -17z = -15 + 12
-17z = -15 + 12

Combine like terms: -15 + 12 = -3
-17z = -3

Divide each side by '-17'.
z = 0.1764705882

Simplifying
z = 0.1764705882

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