4z-2z+12=7z+8

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Solution for 4z-2z+12=7z+8 equation:


Simplifying
4z + -2z + 12 = 7z + 8

Reorder the terms:
12 + 4z + -2z = 7z + 8

Combine like terms: 4z + -2z = 2z
12 + 2z = 7z + 8

Reorder the terms:
12 + 2z = 8 + 7z

Solving
12 + 2z = 8 + 7z

Solving for variable 'z'.

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

Add '-7z' to each side of the equation.
12 + 2z + -7z = 8 + 7z + -7z

Combine like terms: 2z + -7z = -5z
12 + -5z = 8 + 7z + -7z

Combine like terms: 7z + -7z = 0
12 + -5z = 8 + 0
12 + -5z = 8

Add '-12' to each side of the equation.
12 + -12 + -5z = 8 + -12

Combine like terms: 12 + -12 = 0
0 + -5z = 8 + -12
-5z = 8 + -12

Combine like terms: 8 + -12 = -4
-5z = -4

Divide each side by '-5'.
z = 0.8

Simplifying
z = 0.8

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