2z+3(Z-7)=9

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


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

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

Reorder the terms:
-21 + 3Z + 2z = 9

Solving
-21 + 3Z + 2z = 9

Solving for variable 'Z'.

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

Add '21' to each side of the equation.
-21 + 3Z + 21 + 2z = 9 + 21

Reorder the terms:
-21 + 21 + 3Z + 2z = 9 + 21

Combine like terms: -21 + 21 = 0
0 + 3Z + 2z = 9 + 21
3Z + 2z = 9 + 21

Combine like terms: 9 + 21 = 30
3Z + 2z = 30

Add '-2z' to each side of the equation.
3Z + 2z + -2z = 30 + -2z

Combine like terms: 2z + -2z = 0
3Z + 0 = 30 + -2z
3Z = 30 + -2z

Divide each side by '3'.
Z = 10 + -0.6666666667z

Simplifying
Z = 10 + -0.6666666667z

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