8-(3z-7)=9-4z

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Solution for 8-(3z-7)=9-4z equation:


Simplifying
8 + -1(3z + -7) = 9 + -4z

Reorder the terms:
8 + -1(-7 + 3z) = 9 + -4z
8 + (-7 * -1 + 3z * -1) = 9 + -4z
8 + (7 + -3z) = 9 + -4z

Combine like terms: 8 + 7 = 15
15 + -3z = 9 + -4z

Solving
15 + -3z = 9 + -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 = 9 + -4z + 4z

Combine like terms: -3z + 4z = 1z
15 + 1z = 9 + -4z + 4z

Combine like terms: -4z + 4z = 0
15 + 1z = 9 + 0
15 + 1z = 9

Add '-15' to each side of the equation.
15 + -15 + 1z = 9 + -15

Combine like terms: 15 + -15 = 0
0 + 1z = 9 + -15
1z = 9 + -15

Combine like terms: 9 + -15 = -6
1z = -6

Divide each side by '1'.
z = -6

Simplifying
z = -6

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