7=5+z

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Solution for 7=5+z equation:


Simplifying
7 = 5 + z

Solving
7 = 5 + 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.
7 + -1z = 5 + z + -1z

Combine like terms: z + -1z = 0
7 + -1z = 5 + 0
7 + -1z = 5

Add '-7' to each side of the equation.
7 + -7 + -1z = 5 + -7

Combine like terms: 7 + -7 = 0
0 + -1z = 5 + -7
-1z = 5 + -7

Combine like terms: 5 + -7 = -2
-1z = -2

Divide each side by '-1'.
z = 2

Simplifying
z = 2

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