3(z+4)=7z+4

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


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

Reorder the terms:
3(4 + z) = 7z + 4
(4 * 3 + z * 3) = 7z + 4
(12 + 3z) = 7z + 4

Reorder the terms:
12 + 3z = 4 + 7z

Solving
12 + 3z = 4 + 7z

Solving for variable 'z'.

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

Add '-7z' to each side of the equation.
12 + 3z + -7z = 4 + 7z + -7z

Combine like terms: 3z + -7z = -4z
12 + -4z = 4 + 7z + -7z

Combine like terms: 7z + -7z = 0
12 + -4z = 4 + 0
12 + -4z = 4

Add '-12' to each side of the equation.
12 + -12 + -4z = 4 + -12

Combine like terms: 12 + -12 = 0
0 + -4z = 4 + -12
-4z = 4 + -12

Combine like terms: 4 + -12 = -8
-4z = -8

Divide each side by '-4'.
z = 2

Simplifying
z = 2

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