4(3z+2)=9z-7

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Solution for 4(3z+2)=9z-7 equation:


Simplifying
4(3z + 2) = 9z + -7

Reorder the terms:
4(2 + 3z) = 9z + -7
(2 * 4 + 3z * 4) = 9z + -7
(8 + 12z) = 9z + -7

Reorder the terms:
8 + 12z = -7 + 9z

Solving
8 + 12z = -7 + 9z

Solving for variable 'z'.

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

Add '-9z' to each side of the equation.
8 + 12z + -9z = -7 + 9z + -9z

Combine like terms: 12z + -9z = 3z
8 + 3z = -7 + 9z + -9z

Combine like terms: 9z + -9z = 0
8 + 3z = -7 + 0
8 + 3z = -7

Add '-8' to each side of the equation.
8 + -8 + 3z = -7 + -8

Combine like terms: 8 + -8 = 0
0 + 3z = -7 + -8
3z = -7 + -8

Combine like terms: -7 + -8 = -15
3z = -15

Divide each side by '3'.
z = -5

Simplifying
z = -5

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