4+2z-3=9z+7-5z

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Solution for 4+2z-3=9z+7-5z equation:


Simplifying
4 + 2z + -3 = 9z + 7 + -5z

Reorder the terms:
4 + -3 + 2z = 9z + 7 + -5z

Combine like terms: 4 + -3 = 1
1 + 2z = 9z + 7 + -5z

Reorder the terms:
1 + 2z = 7 + 9z + -5z

Combine like terms: 9z + -5z = 4z
1 + 2z = 7 + 4z

Solving
1 + 2z = 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.
1 + 2z + -4z = 7 + 4z + -4z

Combine like terms: 2z + -4z = -2z
1 + -2z = 7 + 4z + -4z

Combine like terms: 4z + -4z = 0
1 + -2z = 7 + 0
1 + -2z = 7

Add '-1' to each side of the equation.
1 + -1 + -2z = 7 + -1

Combine like terms: 1 + -1 = 0
0 + -2z = 7 + -1
-2z = 7 + -1

Combine like terms: 7 + -1 = 6
-2z = 6

Divide each side by '-2'.
z = -3

Simplifying
z = -3

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