-4(z-3)=-3z-7

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Solution for -4(z-3)=-3z-7 equation:


Simplifying
-4(z + -3) = -3z + -7

Reorder the terms:
-4(-3 + z) = -3z + -7
(-3 * -4 + z * -4) = -3z + -7
(12 + -4z) = -3z + -7

Reorder the terms:
12 + -4z = -7 + -3z

Solving
12 + -4z = -7 + -3z

Solving for variable 'z'.

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

Add '3z' to each side of the equation.
12 + -4z + 3z = -7 + -3z + 3z

Combine like terms: -4z + 3z = -1z
12 + -1z = -7 + -3z + 3z

Combine like terms: -3z + 3z = 0
12 + -1z = -7 + 0
12 + -1z = -7

Add '-12' to each side of the equation.
12 + -12 + -1z = -7 + -12

Combine like terms: 12 + -12 = 0
0 + -1z = -7 + -12
-1z = -7 + -12

Combine like terms: -7 + -12 = -19
-1z = -19

Divide each side by '-1'.
z = 19

Simplifying
z = 19

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