43=13-2z

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Solution for 43=13-2z equation:


Simplifying
43 = 13 + -2z

Solving
43 = 13 + -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.
43 + 2z = 13 + -2z + 2z

Combine like terms: -2z + 2z = 0
43 + 2z = 13 + 0
43 + 2z = 13

Add '-43' to each side of the equation.
43 + -43 + 2z = 13 + -43

Combine like terms: 43 + -43 = 0
0 + 2z = 13 + -43
2z = 13 + -43

Combine like terms: 13 + -43 = -30
2z = -30

Divide each side by '2'.
z = -15

Simplifying
z = -15

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