3(6z+7)=10z+45

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Solution for 3(6z+7)=10z+45 equation:


Simplifying
3(6z + 7) = 10z + 45

Reorder the terms:
3(7 + 6z) = 10z + 45
(7 * 3 + 6z * 3) = 10z + 45
(21 + 18z) = 10z + 45

Reorder the terms:
21 + 18z = 45 + 10z

Solving
21 + 18z = 45 + 10z

Solving for variable 'z'.

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

Add '-10z' to each side of the equation.
21 + 18z + -10z = 45 + 10z + -10z

Combine like terms: 18z + -10z = 8z
21 + 8z = 45 + 10z + -10z

Combine like terms: 10z + -10z = 0
21 + 8z = 45 + 0
21 + 8z = 45

Add '-21' to each side of the equation.
21 + -21 + 8z = 45 + -21

Combine like terms: 21 + -21 = 0
0 + 8z = 45 + -21
8z = 45 + -21

Combine like terms: 45 + -21 = 24
8z = 24

Divide each side by '8'.
z = 3

Simplifying
z = 3

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