10=z+5-7

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Solution for 10=z+5-7 equation:


Simplifying
10 = z + 5 + -7

Reorder the terms:
10 = 5 + -7 + z

Combine like terms: 5 + -7 = -2
10 = -2 + z

Solving
10 = -2 + 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.
10 + -1z = -2 + z + -1z

Combine like terms: z + -1z = 0
10 + -1z = -2 + 0
10 + -1z = -2

Add '-10' to each side of the equation.
10 + -10 + -1z = -2 + -10

Combine like terms: 10 + -10 = 0
0 + -1z = -2 + -10
-1z = -2 + -10

Combine like terms: -2 + -10 = -12
-1z = -12

Divide each side by '-1'.
z = 12

Simplifying
z = 12

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