5z+9=3z+7

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Solution for 5z+9=3z+7 equation:


Simplifying
5z + 9 = 3z + 7

Reorder the terms:
9 + 5z = 3z + 7

Reorder the terms:
9 + 5z = 7 + 3z

Solving
9 + 5z = 7 + 3z

Solving for variable 'z'.

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

Add '-3z' to each side of the equation.
9 + 5z + -3z = 7 + 3z + -3z

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

Combine like terms: 3z + -3z = 0
9 + 2z = 7 + 0
9 + 2z = 7

Add '-9' to each side of the equation.
9 + -9 + 2z = 7 + -9

Combine like terms: 9 + -9 = 0
0 + 2z = 7 + -9
2z = 7 + -9

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

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

Simplifying
z = -1

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