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

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


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

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

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

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

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

Solving
2 + 3z = 9 + 2z

Solving for variable 'z'.

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

Add '-2z' to each side of the equation.
2 + 3z + -2z = 9 + 2z + -2z

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

Combine like terms: 2z + -2z = 0
2 + 1z = 9 + 0
2 + 1z = 9

Add '-2' to each side of the equation.
2 + -2 + 1z = 9 + -2

Combine like terms: 2 + -2 = 0
0 + 1z = 9 + -2
1z = 9 + -2

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

Divide each side by '1'.
z = 7

Simplifying
z = 7

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