3z-15=-43+7z

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Solution for 3z-15=-43+7z equation:


Simplifying
3z + -15 = -43 + 7z

Reorder the terms:
-15 + 3z = -43 + 7z

Solving
-15 + 3z = -43 + 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.
-15 + 3z + -7z = -43 + 7z + -7z

Combine like terms: 3z + -7z = -4z
-15 + -4z = -43 + 7z + -7z

Combine like terms: 7z + -7z = 0
-15 + -4z = -43 + 0
-15 + -4z = -43

Add '15' to each side of the equation.
-15 + 15 + -4z = -43 + 15

Combine like terms: -15 + 15 = 0
0 + -4z = -43 + 15
-4z = -43 + 15

Combine like terms: -43 + 15 = -28
-4z = -28

Divide each side by '-4'.
z = 7

Simplifying
z = 7

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