6z+7=4z-9

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Solution for 6z+7=4z-9 equation:


Simplifying
6z + 7 = 4z + -9

Reorder the terms:
7 + 6z = 4z + -9

Reorder the terms:
7 + 6z = -9 + 4z

Solving
7 + 6z = -9 + 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.
7 + 6z + -4z = -9 + 4z + -4z

Combine like terms: 6z + -4z = 2z
7 + 2z = -9 + 4z + -4z

Combine like terms: 4z + -4z = 0
7 + 2z = -9 + 0
7 + 2z = -9

Add '-7' to each side of the equation.
7 + -7 + 2z = -9 + -7

Combine like terms: 7 + -7 = 0
0 + 2z = -9 + -7
2z = -9 + -7

Combine like terms: -9 + -7 = -16
2z = -16

Divide each side by '2'.
z = -8

Simplifying
z = -8

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