-3(5z+5)-3(z-9)=

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Solution for -3(5z+5)-3(z-9)= equation:


Simplifying
-3(5z + 5) + -3(z + -9) = 0

Reorder the terms:
-3(5 + 5z) + -3(z + -9) = 0
(5 * -3 + 5z * -3) + -3(z + -9) = 0
(-15 + -15z) + -3(z + -9) = 0

Reorder the terms:
-15 + -15z + -3(-9 + z) = 0
-15 + -15z + (-9 * -3 + z * -3) = 0
-15 + -15z + (27 + -3z) = 0

Reorder the terms:
-15 + 27 + -15z + -3z = 0

Combine like terms: -15 + 27 = 12
12 + -15z + -3z = 0

Combine like terms: -15z + -3z = -18z
12 + -18z = 0

Solving
12 + -18z = 0

Solving for variable 'z'.

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

Add '-12' to each side of the equation.
12 + -12 + -18z = 0 + -12

Combine like terms: 12 + -12 = 0
0 + -18z = 0 + -12
-18z = 0 + -12

Combine like terms: 0 + -12 = -12
-18z = -12

Divide each side by '-18'.
z = 0.6666666667

Simplifying
z = 0.6666666667

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