7z-11=2z+70

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Solution for 7z-11=2z+70 equation:


Simplifying
7z + -11 = 2z + 70

Reorder the terms:
-11 + 7z = 2z + 70

Reorder the terms:
-11 + 7z = 70 + 2z

Solving
-11 + 7z = 70 + 2z

Solving for variable 'z'.

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

Add '-2z' to each side of the equation.
-11 + 7z + -2z = 70 + 2z + -2z

Combine like terms: 7z + -2z = 5z
-11 + 5z = 70 + 2z + -2z

Combine like terms: 2z + -2z = 0
-11 + 5z = 70 + 0
-11 + 5z = 70

Add '11' to each side of the equation.
-11 + 11 + 5z = 70 + 11

Combine like terms: -11 + 11 = 0
0 + 5z = 70 + 11
5z = 70 + 11

Combine like terms: 70 + 11 = 81
5z = 81

Divide each side by '5'.
z = 16.2

Simplifying
z = 16.2

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