7=2+5(z-5)

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Solution for 7=2+5(z-5) equation:


Simplifying
7 = 2 + 5(z + -5)

Reorder the terms:
7 = 2 + 5(-5 + z)
7 = 2 + (-5 * 5 + z * 5)
7 = 2 + (-25 + 5z)

Combine like terms: 2 + -25 = -23
7 = -23 + 5z

Solving
7 = -23 + 5z

Solving for variable 'z'.

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

Add '-5z' to each side of the equation.
7 + -5z = -23 + 5z + -5z

Combine like terms: 5z + -5z = 0
7 + -5z = -23 + 0
7 + -5z = -23

Add '-7' to each side of the equation.
7 + -7 + -5z = -23 + -7

Combine like terms: 7 + -7 = 0
0 + -5z = -23 + -7
-5z = -23 + -7

Combine like terms: -23 + -7 = -30
-5z = -30

Divide each side by '-5'.
z = 6

Simplifying
z = 6

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