-15(2)+14(2)-6z=-20

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Solution for -15(2)+14(2)-6z=-20 equation: 


Simplifying
-15(2) + 14(2) + -6z = -20

Multiply -15 * 2
-30 + 14(2) + -6z = -20

Multiply 14 * 2
-30 + 28 + -6z = -20

Combine like terms: -30 + 28 = -2
-2 + -6z = -20

Solving
-2 + -6z = -20

Solving for variable 'z'.

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

Add '2' to each side of the equation.
-2 + 2 + -6z = -20 + 2

Combine like terms: -2 + 2 = 0
0 + -6z = -20 + 2
-6z = -20 + 2

Combine like terms: -20 + 2 = -18
-6z = -18

Divide each side by '-6'.
z = 3

Simplifying
z = 3

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