12+3(z-4)=-6z+7

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Solution for 12+3(z-4)=-6z+7 equation:


Simplifying
12 + 3(z + -4) = -6z + 7

Reorder the terms:
12 + 3(-4 + z) = -6z + 7
12 + (-4 * 3 + z * 3) = -6z + 7
12 + (-12 + 3z) = -6z + 7

Combine like terms: 12 + -12 = 0
0 + 3z = -6z + 7
3z = -6z + 7

Reorder the terms:
3z = 7 + -6z

Solving
3z = 7 + -6z

Solving for variable 'z'.

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

Add '6z' to each side of the equation.
3z + 6z = 7 + -6z + 6z

Combine like terms: 3z + 6z = 9z
9z = 7 + -6z + 6z

Combine like terms: -6z + 6z = 0
9z = 7 + 0
9z = 7

Divide each side by '9'.
z = 0.7777777778

Simplifying
z = 0.7777777778

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