9(z+3)-4z=7

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


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

Reorder the terms:
9(3 + z) + -4z = 7
(3 * 9 + z * 9) + -4z = 7
(27 + 9z) + -4z = 7

Combine like terms: 9z + -4z = 5z
27 + 5z = 7

Solving
27 + 5z = 7

Solving for variable 'z'.

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

Add '-27' to each side of the equation.
27 + -27 + 5z = 7 + -27

Combine like terms: 27 + -27 = 0
0 + 5z = 7 + -27
5z = 7 + -27

Combine like terms: 7 + -27 = -20
5z = -20

Divide each side by '5'.
z = -4

Simplifying
z = -4

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