2(3z+4)+4=3(7+3z)

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Solution for 2(3z+4)+4=3(7+3z) equation:


Simplifying
2(3z + 4) + 4 = 3(7 + 3z)

Reorder the terms:
2(4 + 3z) + 4 = 3(7 + 3z)
(4 * 2 + 3z * 2) + 4 = 3(7 + 3z)
(8 + 6z) + 4 = 3(7 + 3z)

Reorder the terms:
8 + 4 + 6z = 3(7 + 3z)

Combine like terms: 8 + 4 = 12
12 + 6z = 3(7 + 3z)
12 + 6z = (7 * 3 + 3z * 3)
12 + 6z = (21 + 9z)

Solving
12 + 6z = 21 + 9z

Solving for variable 'z'.

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

Add '-9z' to each side of the equation.
12 + 6z + -9z = 21 + 9z + -9z

Combine like terms: 6z + -9z = -3z
12 + -3z = 21 + 9z + -9z

Combine like terms: 9z + -9z = 0
12 + -3z = 21 + 0
12 + -3z = 21

Add '-12' to each side of the equation.
12 + -12 + -3z = 21 + -12

Combine like terms: 12 + -12 = 0
0 + -3z = 21 + -12
-3z = 21 + -12

Combine like terms: 21 + -12 = 9
-3z = 9

Divide each side by '-3'.
z = -3

Simplifying
z = -3

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