2(9-3z)-3(2z+9)=z-13

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Solution for 2(9-3z)-3(2z+9)=z-13 equation:


Simplifying
2(9 + -3z) + -3(2z + 9) = z + -13
(9 * 2 + -3z * 2) + -3(2z + 9) = z + -13
(18 + -6z) + -3(2z + 9) = z + -13

Reorder the terms:
18 + -6z + -3(9 + 2z) = z + -13
18 + -6z + (9 * -3 + 2z * -3) = z + -13
18 + -6z + (-27 + -6z) = z + -13

Reorder the terms:
18 + -27 + -6z + -6z = z + -13

Combine like terms: 18 + -27 = -9
-9 + -6z + -6z = z + -13

Combine like terms: -6z + -6z = -12z
-9 + -12z = z + -13

Reorder the terms:
-9 + -12z = -13 + z

Solving
-9 + -12z = -13 + 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.
-9 + -12z + -1z = -13 + z + -1z

Combine like terms: -12z + -1z = -13z
-9 + -13z = -13 + z + -1z

Combine like terms: z + -1z = 0
-9 + -13z = -13 + 0
-9 + -13z = -13

Add '9' to each side of the equation.
-9 + 9 + -13z = -13 + 9

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

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

Divide each side by '-13'.
z = 0.3076923077

Simplifying
z = 0.3076923077

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