1-7(-z+3)=-2(-9z-6)-3

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Solution for 1-7(-z+3)=-2(-9z-6)-3 equation:


Simplifying
1 + -7(-1z + 3) = -2(-9z + -6) + -3

Reorder the terms:
1 + -7(3 + -1z) = -2(-9z + -6) + -3
1 + (3 * -7 + -1z * -7) = -2(-9z + -6) + -3
1 + (-21 + 7z) = -2(-9z + -6) + -3

Combine like terms: 1 + -21 = -20
-20 + 7z = -2(-9z + -6) + -3

Reorder the terms:
-20 + 7z = -2(-6 + -9z) + -3
-20 + 7z = (-6 * -2 + -9z * -2) + -3
-20 + 7z = (12 + 18z) + -3

Reorder the terms:
-20 + 7z = 12 + -3 + 18z

Combine like terms: 12 + -3 = 9
-20 + 7z = 9 + 18z

Solving
-20 + 7z = 9 + 18z

Solving for variable 'z'.

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

Add '-18z' to each side of the equation.
-20 + 7z + -18z = 9 + 18z + -18z

Combine like terms: 7z + -18z = -11z
-20 + -11z = 9 + 18z + -18z

Combine like terms: 18z + -18z = 0
-20 + -11z = 9 + 0
-20 + -11z = 9

Add '20' to each side of the equation.
-20 + 20 + -11z = 9 + 20

Combine like terms: -20 + 20 = 0
0 + -11z = 9 + 20
-11z = 9 + 20

Combine like terms: 9 + 20 = 29
-11z = 29

Divide each side by '-11'.
z = -2.636363636

Simplifying
z = -2.636363636

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