7(z-9)=5(z-1)

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Solution for 7(z-9)=5(z-1) equation:


Simplifying
7(z + -9) = 5(z + -1)

Reorder the terms:
7(-9 + z) = 5(z + -1)
(-9 * 7 + z * 7) = 5(z + -1)
(-63 + 7z) = 5(z + -1)

Reorder the terms:
-63 + 7z = 5(-1 + z)
-63 + 7z = (-1 * 5 + z * 5)
-63 + 7z = (-5 + 5z)

Solving
-63 + 7z = -5 + 5z

Solving for variable 'z'.

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

Add '-5z' to each side of the equation.
-63 + 7z + -5z = -5 + 5z + -5z

Combine like terms: 7z + -5z = 2z
-63 + 2z = -5 + 5z + -5z

Combine like terms: 5z + -5z = 0
-63 + 2z = -5 + 0
-63 + 2z = -5

Add '63' to each side of the equation.
-63 + 63 + 2z = -5 + 63

Combine like terms: -63 + 63 = 0
0 + 2z = -5 + 63
2z = -5 + 63

Combine like terms: -5 + 63 = 58
2z = 58

Divide each side by '2'.
z = 29

Simplifying
z = 29

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