5(-4z-3)=7(6-3z)

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Solution for 5(-4z-3)=7(6-3z) equation:


Simplifying
5(-4z + -3) = 7(6 + -3z)

Reorder the terms:
5(-3 + -4z) = 7(6 + -3z)
(-3 * 5 + -4z * 5) = 7(6 + -3z)
(-15 + -20z) = 7(6 + -3z)
-15 + -20z = (6 * 7 + -3z * 7)
-15 + -20z = (42 + -21z)

Solving
-15 + -20z = 42 + -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.
-15 + -20z + 21z = 42 + -21z + 21z

Combine like terms: -20z + 21z = 1z
-15 + 1z = 42 + -21z + 21z

Combine like terms: -21z + 21z = 0
-15 + 1z = 42 + 0
-15 + 1z = 42

Add '15' to each side of the equation.
-15 + 15 + 1z = 42 + 15

Combine like terms: -15 + 15 = 0
0 + 1z = 42 + 15
1z = 42 + 15

Combine like terms: 42 + 15 = 57
1z = 57

Divide each side by '1'.
z = 57

Simplifying
z = 57

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