7-(3z-8)=7-4z

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Solution for 7-(3z-8)=7-4z equation:


Simplifying
7 + -1(3z + -8) = 7 + -4z

Reorder the terms:
7 + -1(-8 + 3z) = 7 + -4z
7 + (-8 * -1 + 3z * -1) = 7 + -4z
7 + (8 + -3z) = 7 + -4z

Combine like terms: 7 + 8 = 15
15 + -3z = 7 + -4z

Solving
15 + -3z = 7 + -4z

Solving for variable 'z'.

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

Add '4z' to each side of the equation.
15 + -3z + 4z = 7 + -4z + 4z

Combine like terms: -3z + 4z = 1z
15 + 1z = 7 + -4z + 4z

Combine like terms: -4z + 4z = 0
15 + 1z = 7 + 0
15 + 1z = 7

Add '-15' to each side of the equation.
15 + -15 + 1z = 7 + -15

Combine like terms: 15 + -15 = 0
0 + 1z = 7 + -15
1z = 7 + -15

Combine like terms: 7 + -15 = -8
1z = -8

Divide each side by '1'.
z = -8

Simplifying
z = -8

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