2-7=2z

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Solution for 2-7=2z equation:


Simplifying
2 + -7 = 2z

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

Solving
-5 = 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.
-5 + -2z = 2z + -2z

Combine like terms: 2z + -2z = 0
-5 + -2z = 0

Add '5' to each side of the equation.
-5 + 5 + -2z = 0 + 5

Combine like terms: -5 + 5 = 0
0 + -2z = 0 + 5
-2z = 0 + 5

Combine like terms: 0 + 5 = 5
-2z = 5

Divide each side by '-2'.
z = -2.5

Simplifying
z = -2.5

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