2z+6+5z+12=4z-3

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Solution for 2z+6+5z+12=4z-3 equation:


Simplifying
2z + 6 + 5z + 12 = 4z + -3

Reorder the terms:
6 + 12 + 2z + 5z = 4z + -3

Combine like terms: 6 + 12 = 18
18 + 2z + 5z = 4z + -3

Combine like terms: 2z + 5z = 7z
18 + 7z = 4z + -3

Reorder the terms:
18 + 7z = -3 + 4z

Solving
18 + 7z = -3 + 4z

Solving for variable 'z'.

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

Add '-4z' to each side of the equation.
18 + 7z + -4z = -3 + 4z + -4z

Combine like terms: 7z + -4z = 3z
18 + 3z = -3 + 4z + -4z

Combine like terms: 4z + -4z = 0
18 + 3z = -3 + 0
18 + 3z = -3

Add '-18' to each side of the equation.
18 + -18 + 3z = -3 + -18

Combine like terms: 18 + -18 = 0
0 + 3z = -3 + -18
3z = -3 + -18

Combine like terms: -3 + -18 = -21
3z = -21

Divide each side by '3'.
z = -7

Simplifying
z = -7

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