-3(4z-7)+8z=-7

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Solution for -3(4z-7)+8z=-7 equation:


Simplifying
-3(4z + -7) + 8z = -7

Reorder the terms:
-3(-7 + 4z) + 8z = -7
(-7 * -3 + 4z * -3) + 8z = -7
(21 + -12z) + 8z = -7

Combine like terms: -12z + 8z = -4z
21 + -4z = -7

Solving
21 + -4z = -7

Solving for variable 'z'.

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

Add '-21' to each side of the equation.
21 + -21 + -4z = -7 + -21

Combine like terms: 21 + -21 = 0
0 + -4z = -7 + -21
-4z = -7 + -21

Combine like terms: -7 + -21 = -28
-4z = -28

Divide each side by '-4'.
z = 7

Simplifying
z = 7

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