-4z+7=-8+z

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Solution for -4z+7=-8+z equation:


Simplifying
-4z + 7 = -8 + z

Reorder the terms:
7 + -4z = -8 + z

Solving
7 + -4z = -8 + z

Solving for variable 'z'.

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

Add '-1z' to each side of the equation.
7 + -4z + -1z = -8 + z + -1z

Combine like terms: -4z + -1z = -5z
7 + -5z = -8 + z + -1z

Combine like terms: z + -1z = 0
7 + -5z = -8 + 0
7 + -5z = -8

Add '-7' to each side of the equation.
7 + -7 + -5z = -8 + -7

Combine like terms: 7 + -7 = 0
0 + -5z = -8 + -7
-5z = -8 + -7

Combine like terms: -8 + -7 = -15
-5z = -15

Divide each side by '-5'.
z = 3

Simplifying
z = 3

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