3(z-3)=5(z+3)-12

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Solution for 3(z-3)=5(z+3)-12 equation:


Simplifying
3(z + -3) = 5(z + 3) + -12

Reorder the terms:
3(-3 + z) = 5(z + 3) + -12
(-3 * 3 + z * 3) = 5(z + 3) + -12
(-9 + 3z) = 5(z + 3) + -12

Reorder the terms:
-9 + 3z = 5(3 + z) + -12
-9 + 3z = (3 * 5 + z * 5) + -12
-9 + 3z = (15 + 5z) + -12

Reorder the terms:
-9 + 3z = 15 + -12 + 5z

Combine like terms: 15 + -12 = 3
-9 + 3z = 3 + 5z

Solving
-9 + 3z = 3 + 5z

Solving for variable 'z'.

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

Add '-5z' to each side of the equation.
-9 + 3z + -5z = 3 + 5z + -5z

Combine like terms: 3z + -5z = -2z
-9 + -2z = 3 + 5z + -5z

Combine like terms: 5z + -5z = 0
-9 + -2z = 3 + 0
-9 + -2z = 3

Add '9' to each side of the equation.
-9 + 9 + -2z = 3 + 9

Combine like terms: -9 + 9 = 0
0 + -2z = 3 + 9
-2z = 3 + 9

Combine like terms: 3 + 9 = 12
-2z = 12

Divide each side by '-2'.
z = -6

Simplifying
z = -6

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