-7z-(-3z)-14z+12z+(-15)=-3

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Solution for -7z-(-3z)-14z+12z+(-15)=-3 equation:


Simplifying
-7z + -1(-3z) + -14z + 12z + (-15) = -3

Remove parenthesis around (-3z)
-7z + -1 * -3z + -14z + 12z + (-15) = -3

Multiply -1 * -3
-7z + 3z + -14z + 12z + (-15) = -3
-7z + 3z + -14z + 12z + -15 = -3

Reorder the terms:
-15 + -7z + 3z + -14z + 12z = -3

Combine like terms: -7z + 3z = -4z
-15 + -4z + -14z + 12z = -3

Combine like terms: -4z + -14z = -18z
-15 + -18z + 12z = -3

Combine like terms: -18z + 12z = -6z
-15 + -6z = -3

Solving
-15 + -6z = -3

Solving for variable 'z'.

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

Add '15' to each side of the equation.
-15 + 15 + -6z = -3 + 15

Combine like terms: -15 + 15 = 0
0 + -6z = -3 + 15
-6z = -3 + 15

Combine like terms: -3 + 15 = 12
-6z = 12

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

Simplifying
z = -2

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