z+3(z-4)=4

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


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

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

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

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

Solving
-12 + 4z = 4

Solving for variable 'z'.

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

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 = 16
4z = 16

Divide each side by '4'.
z = 4

Simplifying
z = 4

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