3z-(z+10)-(z-3)=14-z

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Solution for 3z-(z+10)-(z-3)=14-z equation:


Simplifying
3z + -1(z + 10) + -1(z + -3) = 14 + -1z

Reorder the terms:
3z + -1(10 + z) + -1(z + -3) = 14 + -1z
3z + (10 * -1 + z * -1) + -1(z + -3) = 14 + -1z
3z + (-10 + -1z) + -1(z + -3) = 14 + -1z

Reorder the terms:
3z + -10 + -1z + -1(-3 + z) = 14 + -1z
3z + -10 + -1z + (-3 * -1 + z * -1) = 14 + -1z
3z + -10 + -1z + (3 + -1z) = 14 + -1z

Reorder the terms:
-10 + 3 + 3z + -1z + -1z = 14 + -1z

Combine like terms: -10 + 3 = -7
-7 + 3z + -1z + -1z = 14 + -1z

Combine like terms: 3z + -1z = 2z
-7 + 2z + -1z = 14 + -1z

Combine like terms: 2z + -1z = 1z
-7 + 1z = 14 + -1z

Solving
-7 + 1z = 14 + -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.
-7 + 1z + z = 14 + -1z + z

Combine like terms: 1z + z = 2z
-7 + 2z = 14 + -1z + z

Combine like terms: -1z + z = 0
-7 + 2z = 14 + 0
-7 + 2z = 14

Add '7' to each side of the equation.
-7 + 7 + 2z = 14 + 7

Combine like terms: -7 + 7 = 0
0 + 2z = 14 + 7
2z = 14 + 7

Combine like terms: 14 + 7 = 21
2z = 21

Divide each side by '2'.
z = 10.5

Simplifying
z = 10.5

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