7-(4z-2)=7-5z

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Solution for 7-(4z-2)=7-5z equation:


Simplifying
7 + -1(4z + -2) = 7 + -5z

Reorder the terms:
7 + -1(-2 + 4z) = 7 + -5z
7 + (-2 * -1 + 4z * -1) = 7 + -5z
7 + (2 + -4z) = 7 + -5z

Combine like terms: 7 + 2 = 9
9 + -4z = 7 + -5z

Solving
9 + -4z = 7 + -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.
9 + -4z + 5z = 7 + -5z + 5z

Combine like terms: -4z + 5z = 1z
9 + 1z = 7 + -5z + 5z

Combine like terms: -5z + 5z = 0
9 + 1z = 7 + 0
9 + 1z = 7

Add '-9' to each side of the equation.
9 + -9 + 1z = 7 + -9

Combine like terms: 9 + -9 = 0
0 + 1z = 7 + -9
1z = 7 + -9

Combine like terms: 7 + -9 = -2
1z = -2

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

Simplifying
z = -2

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