10z+7=9z+5

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Solution for 10z+7=9z+5 equation:


Simplifying
10z + 7 = 9z + 5

Reorder the terms:
7 + 10z = 9z + 5

Reorder the terms:
7 + 10z = 5 + 9z

Solving
7 + 10z = 5 + 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.
7 + 10z + -9z = 5 + 9z + -9z

Combine like terms: 10z + -9z = 1z
7 + 1z = 5 + 9z + -9z

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

Add '-7' to each side of the equation.
7 + -7 + 1z = 5 + -7

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

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

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

Simplifying
z = -2

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