4(8-z)=9(z+8)

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Solution for 4(8-z)=9(z+8) equation:


Simplifying
4(8 + -1z) = 9(z + 8)
(8 * 4 + -1z * 4) = 9(z + 8)
(32 + -4z) = 9(z + 8)

Reorder the terms:
32 + -4z = 9(8 + z)
32 + -4z = (8 * 9 + z * 9)
32 + -4z = (72 + 9z)

Solving
32 + -4z = 72 + 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.
32 + -4z + -9z = 72 + 9z + -9z

Combine like terms: -4z + -9z = -13z
32 + -13z = 72 + 9z + -9z

Combine like terms: 9z + -9z = 0
32 + -13z = 72 + 0
32 + -13z = 72

Add '-32' to each side of the equation.
32 + -32 + -13z = 72 + -32

Combine like terms: 32 + -32 = 0
0 + -13z = 72 + -32
-13z = 72 + -32

Combine like terms: 72 + -32 = 40
-13z = 40

Divide each side by '-13'.
z = -3.076923077

Simplifying
z = -3.076923077

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