4z+3(5-z)=-(z-1)+12

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Solution for 4z+3(5-z)=-(z-1)+12 equation:


Simplifying
4z + 3(5 + -1z) = -1(z + -1) + 12
4z + (5 * 3 + -1z * 3) = -1(z + -1) + 12
4z + (15 + -3z) = -1(z + -1) + 12

Reorder the terms:
15 + 4z + -3z = -1(z + -1) + 12

Combine like terms: 4z + -3z = 1z
15 + 1z = -1(z + -1) + 12

Reorder the terms:
15 + 1z = -1(-1 + z) + 12
15 + 1z = (-1 * -1 + z * -1) + 12
15 + 1z = (1 + -1z) + 12

Reorder the terms:
15 + 1z = 1 + 12 + -1z

Combine like terms: 1 + 12 = 13
15 + 1z = 13 + -1z

Solving
15 + 1z = 13 + -1z

Solving for variable 'z'.

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

Add 'z' to each side of the equation.
15 + 1z + z = 13 + -1z + z

Combine like terms: 1z + z = 2z
15 + 2z = 13 + -1z + z

Combine like terms: -1z + z = 0
15 + 2z = 13 + 0
15 + 2z = 13

Add '-15' to each side of the equation.
15 + -15 + 2z = 13 + -15

Combine like terms: 15 + -15 = 0
0 + 2z = 13 + -15
2z = 13 + -15

Combine like terms: 13 + -15 = -2
2z = -2

Divide each side by '2'.
z = -1

Simplifying
z = -1

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