12+4(z-3)=-4z+7

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Solution for 12+4(z-3)=-4z+7 equation:


Simplifying
12 + 4(z + -3) = -4z + 7

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

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

Reorder the terms:
4z = 7 + -4z

Solving
4z = 7 + -4z

Solving for variable 'z'.

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

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

Combine like terms: 4z + 4z = 8z
8z = 7 + -4z + 4z

Combine like terms: -4z + 4z = 0
8z = 7 + 0
8z = 7

Divide each side by '8'.
z = 0.875

Simplifying
z = 0.875

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