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

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


Simplifying
-3(z + -3) + -1(z + 4) = 3

Reorder the terms:
-3(-3 + z) + -1(z + 4) = 3
(-3 * -3 + z * -3) + -1(z + 4) = 3
(9 + -3z) + -1(z + 4) = 3

Reorder the terms:
9 + -3z + -1(4 + z) = 3
9 + -3z + (4 * -1 + z * -1) = 3
9 + -3z + (-4 + -1z) = 3

Reorder the terms:
9 + -4 + -3z + -1z = 3

Combine like terms: 9 + -4 = 5
5 + -3z + -1z = 3

Combine like terms: -3z + -1z = -4z
5 + -4z = 3

Solving
5 + -4z = 3

Solving for variable 'z'.

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

Add '-5' to each side of the equation.
5 + -5 + -4z = 3 + -5

Combine like terms: 5 + -5 = 0
0 + -4z = 3 + -5
-4z = 3 + -5

Combine like terms: 3 + -5 = -2
-4z = -2

Divide each side by '-4'.
z = 0.5

Simplifying
z = 0.5

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