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

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


Simplifying
2(9 + -2z) + -3(4z + 7) = z + -4
(9 * 2 + -2z * 2) + -3(4z + 7) = z + -4
(18 + -4z) + -3(4z + 7) = z + -4

Reorder the terms:
18 + -4z + -3(7 + 4z) = z + -4
18 + -4z + (7 * -3 + 4z * -3) = z + -4
18 + -4z + (-21 + -12z) = z + -4

Reorder the terms:
18 + -21 + -4z + -12z = z + -4

Combine like terms: 18 + -21 = -3
-3 + -4z + -12z = z + -4

Combine like terms: -4z + -12z = -16z
-3 + -16z = z + -4

Reorder the terms:
-3 + -16z = -4 + z

Solving
-3 + -16z = -4 + z

Solving for variable 'z'.

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

Add '-1z' to each side of the equation.
-3 + -16z + -1z = -4 + z + -1z

Combine like terms: -16z + -1z = -17z
-3 + -17z = -4 + z + -1z

Combine like terms: z + -1z = 0
-3 + -17z = -4 + 0
-3 + -17z = -4

Add '3' to each side of the equation.
-3 + 3 + -17z = -4 + 3

Combine like terms: -3 + 3 = 0
0 + -17z = -4 + 3
-17z = -4 + 3

Combine like terms: -4 + 3 = -1
-17z = -1

Divide each side by '-17'.
z = 0.05882352941

Simplifying
z = 0.05882352941

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