7z+43=5z-15

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Solution for 7z+43=5z-15 equation:


Simplifying
7z + 43 = 5z + -15

Reorder the terms:
43 + 7z = 5z + -15

Reorder the terms:
43 + 7z = -15 + 5z

Solving
43 + 7z = -15 + 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.
43 + 7z + -5z = -15 + 5z + -5z

Combine like terms: 7z + -5z = 2z
43 + 2z = -15 + 5z + -5z

Combine like terms: 5z + -5z = 0
43 + 2z = -15 + 0
43 + 2z = -15

Add '-43' to each side of the equation.
43 + -43 + 2z = -15 + -43

Combine like terms: 43 + -43 = 0
0 + 2z = -15 + -43
2z = -15 + -43

Combine like terms: -15 + -43 = -58
2z = -58

Divide each side by '2'.
z = -29

Simplifying
z = -29

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