-18=3(-2+6)+2z

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Solution for -18=3(-2+6)+2z equation:


Simplifying
-18 = 3(-2 + 6) + 2z

Combine like terms: -2 + 6 = 4
-18 = 3(4) + 2z

Multiply 3 * 4
-18 = 12 + 2z

Solving
-18 = 12 + 2z

Solving for variable 'z'.

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

Add '-2z' to each side of the equation.
-18 + -2z = 12 + 2z + -2z

Combine like terms: 2z + -2z = 0
-18 + -2z = 12 + 0
-18 + -2z = 12

Add '18' to each side of the equation.
-18 + 18 + -2z = 12 + 18

Combine like terms: -18 + 18 = 0
0 + -2z = 12 + 18
-2z = 12 + 18

Combine like terms: 12 + 18 = 30
-2z = 30

Divide each side by '-2'.
z = -15

Simplifying
z = -15

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