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

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


Simplifying
9(z + 4) = 9(z + -1x)

Reorder the terms:
9(4 + z) = 9(z + -1x)
(4 * 9 + z * 9) = 9(z + -1x)
(36 + 9z) = 9(z + -1x)

Reorder the terms:
36 + 9z = 9(-1x + z)
36 + 9z = (-1x * 9 + z * 9)
36 + 9z = (-9x + 9z)

Add '-9z' to each side of the equation.
36 + 9z + -9z = -9x + 9z + -9z

Combine like terms: 9z + -9z = 0
36 + 0 = -9x + 9z + -9z
36 = -9x + 9z + -9z

Combine like terms: 9z + -9z = 0
36 = -9x + 0
36 = -9x

Solving
36 = -9x

Solving for variable 'x'.

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

Add '9x' to each side of the equation.
36 + 9x = -9x + 9x

Combine like terms: -9x + 9x = 0
36 + 9x = 0

Add '-36' to each side of the equation.
36 + -36 + 9x = 0 + -36

Combine like terms: 36 + -36 = 0
0 + 9x = 0 + -36
9x = 0 + -36

Combine like terms: 0 + -36 = -36
9x = -36

Divide each side by '9'.
x = -4

Simplifying
x = -4

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