z-7=2-2z

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Solution for z-7=2-2z equation:


Simplifying
z + -7 = 2 + -2z

Reorder the terms:
-7 + z = 2 + -2z

Solving
-7 + z = 2 + -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.
-7 + z + 2z = 2 + -2z + 2z

Combine like terms: z + 2z = 3z
-7 + 3z = 2 + -2z + 2z

Combine like terms: -2z + 2z = 0
-7 + 3z = 2 + 0
-7 + 3z = 2

Add '7' to each side of the equation.
-7 + 7 + 3z = 2 + 7

Combine like terms: -7 + 7 = 0
0 + 3z = 2 + 7
3z = 2 + 7

Combine like terms: 2 + 7 = 9
3z = 9

Divide each side by '3'.
z = 3

Simplifying
z = 3

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