9-5(3z-4)=-7(-3z-3)-4

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Solution for 9-5(3z-4)=-7(-3z-3)-4 equation:


Simplifying
9 + -5(3z + -4) = -7(-3z + -3) + -4

Reorder the terms:
9 + -5(-4 + 3z) = -7(-3z + -3) + -4
9 + (-4 * -5 + 3z * -5) = -7(-3z + -3) + -4
9 + (20 + -15z) = -7(-3z + -3) + -4

Combine like terms: 9 + 20 = 29
29 + -15z = -7(-3z + -3) + -4

Reorder the terms:
29 + -15z = -7(-3 + -3z) + -4
29 + -15z = (-3 * -7 + -3z * -7) + -4
29 + -15z = (21 + 21z) + -4

Reorder the terms:
29 + -15z = 21 + -4 + 21z

Combine like terms: 21 + -4 = 17
29 + -15z = 17 + 21z

Solving
29 + -15z = 17 + 21z

Solving for variable 'z'.

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

Add '-21z' to each side of the equation.
29 + -15z + -21z = 17 + 21z + -21z

Combine like terms: -15z + -21z = -36z
29 + -36z = 17 + 21z + -21z

Combine like terms: 21z + -21z = 0
29 + -36z = 17 + 0
29 + -36z = 17

Add '-29' to each side of the equation.
29 + -29 + -36z = 17 + -29

Combine like terms: 29 + -29 = 0
0 + -36z = 17 + -29
-36z = 17 + -29

Combine like terms: 17 + -29 = -12
-36z = -12

Divide each side by '-36'.
z = 0.3333333333

Simplifying
z = 0.3333333333

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