7z-7=-3z+13

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Solution for 7z-7=-3z+13 equation:


Simplifying
7z + -7 = -3z + 13

Reorder the terms:
-7 + 7z = -3z + 13

Reorder the terms:
-7 + 7z = 13 + -3z

Solving
-7 + 7z = 13 + -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.
-7 + 7z + 3z = 13 + -3z + 3z

Combine like terms: 7z + 3z = 10z
-7 + 10z = 13 + -3z + 3z

Combine like terms: -3z + 3z = 0
-7 + 10z = 13 + 0
-7 + 10z = 13

Add '7' to each side of the equation.
-7 + 7 + 10z = 13 + 7

Combine like terms: -7 + 7 = 0
0 + 10z = 13 + 7
10z = 13 + 7

Combine like terms: 13 + 7 = 20
10z = 20

Divide each side by '10'.
z = 2

Simplifying
z = 2

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