3=3-7z-2z

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Solution for 3=3-7z-2z equation:


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

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

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

Combine like terms: 3 + -3 = 0
0 = 3 + -3 + -9z

Combine like terms: 3 + -3 = 0
0 = 0 + -9z
0 = -9z

Solving
0 = -9z

Solving for variable 'z'.

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

Add '9z' to each side of the equation.
0 + 9z = -9z + 9z
Remove the zero:
9z = -9z + 9z

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

Divide each side by '9'.
z = 0

Simplifying
z = 0

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