3(z-6)-5z=7z-7

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Solution for 3(z-6)-5z=7z-7 equation:


Simplifying
3(z + -6) + -5z = 7z + -7

Reorder the terms:
3(-6 + z) + -5z = 7z + -7
(-6 * 3 + z * 3) + -5z = 7z + -7
(-18 + 3z) + -5z = 7z + -7

Combine like terms: 3z + -5z = -2z
-18 + -2z = 7z + -7

Reorder the terms:
-18 + -2z = -7 + 7z

Solving
-18 + -2z = -7 + 7z

Solving for variable 'z'.

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

Add '-7z' to each side of the equation.
-18 + -2z + -7z = -7 + 7z + -7z

Combine like terms: -2z + -7z = -9z
-18 + -9z = -7 + 7z + -7z

Combine like terms: 7z + -7z = 0
-18 + -9z = -7 + 0
-18 + -9z = -7

Add '18' to each side of the equation.
-18 + 18 + -9z = -7 + 18

Combine like terms: -18 + 18 = 0
0 + -9z = -7 + 18
-9z = -7 + 18

Combine like terms: -7 + 18 = 11
-9z = 11

Divide each side by '-9'.
z = -1.222222222

Simplifying
z = -1.222222222

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