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

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


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

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

Reorder the terms:
-9 = 6 + -3z + 21z

Combine like terms: -3z + 21z = 18z
-9 = 6 + 18z

Solving
-9 = 6 + 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.
-9 + -18z = 6 + 18z + -18z

Combine like terms: 18z + -18z = 0
-9 + -18z = 6 + 0
-9 + -18z = 6

Add '9' to each side of the equation.
-9 + 9 + -18z = 6 + 9

Combine like terms: -9 + 9 = 0
0 + -18z = 6 + 9
-18z = 6 + 9

Combine like terms: 6 + 9 = 15
-18z = 15

Divide each side by '-18'.
z = -0.8333333333

Simplifying
z = -0.8333333333

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