7z+28+6z=-27+15z+9

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Solution for 7z+28+6z=-27+15z+9 equation:


Simplifying
7z + 28 + 6z = -27 + 15z + 9

Reorder the terms:
28 + 7z + 6z = -27 + 15z + 9

Combine like terms: 7z + 6z = 13z
28 + 13z = -27 + 15z + 9

Reorder the terms:
28 + 13z = -27 + 9 + 15z

Combine like terms: -27 + 9 = -18
28 + 13z = -18 + 15z

Solving
28 + 13z = -18 + 15z

Solving for variable 'z'.

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

Add '-15z' to each side of the equation.
28 + 13z + -15z = -18 + 15z + -15z

Combine like terms: 13z + -15z = -2z
28 + -2z = -18 + 15z + -15z

Combine like terms: 15z + -15z = 0
28 + -2z = -18 + 0
28 + -2z = -18

Add '-28' to each side of the equation.
28 + -28 + -2z = -18 + -28

Combine like terms: 28 + -28 = 0
0 + -2z = -18 + -28
-2z = -18 + -28

Combine like terms: -18 + -28 = -46
-2z = -46

Divide each side by '-2'.
z = 23

Simplifying
z = 23

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