9(z+1)-2(z-2)=3(z-2)+3(z-4)

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Solution for 9(z+1)-2(z-2)=3(z-2)+3(z-4) equation: 


Simplifying
9(z + 1) + -2(z + -2) = 3(z + -2) + 3(z + -4)

Reorder the terms:
9(1 + z) + -2(z + -2) = 3(z + -2) + 3(z + -4)
(1 * 9 + z * 9) + -2(z + -2) = 3(z + -2) + 3(z + -4)
(9 + 9z) + -2(z + -2) = 3(z + -2) + 3(z + -4)

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

Reorder the terms:
9 + 4 + 9z + -2z = 3(z + -2) + 3(z + -4)

Combine like terms: 9 + 4 = 13
13 + 9z + -2z = 3(z + -2) + 3(z + -4)

Combine like terms: 9z + -2z = 7z
13 + 7z = 3(z + -2) + 3(z + -4)

Reorder the terms:
13 + 7z = 3(-2 + z) + 3(z + -4)
13 + 7z = (-2 * 3 + z * 3) + 3(z + -4)
13 + 7z = (-6 + 3z) + 3(z + -4)

Reorder the terms:
13 + 7z = -6 + 3z + 3(-4 + z)
13 + 7z = -6 + 3z + (-4 * 3 + z * 3)
13 + 7z = -6 + 3z + (-12 + 3z)

Reorder the terms:
13 + 7z = -6 + -12 + 3z + 3z

Combine like terms: -6 + -12 = -18
13 + 7z = -18 + 3z + 3z

Combine like terms: 3z + 3z = 6z
13 + 7z = -18 + 6z

Solving
13 + 7z = -18 + 6z

Solving for variable 'z'.

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

Add '-6z' to each side of the equation.
13 + 7z + -6z = -18 + 6z + -6z

Combine like terms: 7z + -6z = 1z
13 + 1z = -18 + 6z + -6z

Combine like terms: 6z + -6z = 0
13 + 1z = -18 + 0
13 + 1z = -18

Add '-13' to each side of the equation.
13 + -13 + 1z = -18 + -13

Combine like terms: 13 + -13 = 0
0 + 1z = -18 + -13
1z = -18 + -13

Combine like terms: -18 + -13 = -31
1z = -31

Divide each side by '1'.
z = -31

Simplifying
z = -31

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