-8=4-7z+9z

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Solution for -8=4-7z+9z equation:


Simplifying
-8 = 4 + -7z + 9z

Combine like terms: -7z + 9z = 2z
-8 = 4 + 2z

Solving
-8 = 4 + 2z

Solving for variable 'z'.

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

Add '-2z' to each side of the equation.
-8 + -2z = 4 + 2z + -2z

Combine like terms: 2z + -2z = 0
-8 + -2z = 4 + 0
-8 + -2z = 4

Add '8' to each side of the equation.
-8 + 8 + -2z = 4 + 8

Combine like terms: -8 + 8 = 0
0 + -2z = 4 + 8
-2z = 4 + 8

Combine like terms: 4 + 8 = 12
-2z = 12

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

Simplifying
z = -6

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