-6(z-3)-3(5z-2)=87

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Solution for -6(z-3)-3(5z-2)=87 equation:


Simplifying
-6(z + -3) + -3(5z + -2) = 87

Reorder the terms:
-6(-3 + z) + -3(5z + -2) = 87
(-3 * -6 + z * -6) + -3(5z + -2) = 87
(18 + -6z) + -3(5z + -2) = 87

Reorder the terms:
18 + -6z + -3(-2 + 5z) = 87
18 + -6z + (-2 * -3 + 5z * -3) = 87
18 + -6z + (6 + -15z) = 87

Reorder the terms:
18 + 6 + -6z + -15z = 87

Combine like terms: 18 + 6 = 24
24 + -6z + -15z = 87

Combine like terms: -6z + -15z = -21z
24 + -21z = 87

Solving
24 + -21z = 87

Solving for variable 'z'.

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

Add '-24' to each side of the equation.
24 + -24 + -21z = 87 + -24

Combine like terms: 24 + -24 = 0
0 + -21z = 87 + -24
-21z = 87 + -24

Combine like terms: 87 + -24 = 63
-21z = 63

Divide each side by '-21'.
z = -3

Simplifying
z = -3

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