3[z-(5z+45)+5]=5(z+10)

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Solution for 3[z-(5z+45)+5]=5(z+10) equation:


Simplifying
3[z + -1(5z + 45) + 5] = 5(z + 10)

Reorder the terms:
3[z + -1(45 + 5z) + 5] = 5(z + 10)
3[z + (45 * -1 + 5z * -1) + 5] = 5(z + 10)
3[z + (-45 + -5z) + 5] = 5(z + 10)

Reorder the terms:
3[-45 + 5 + z + -5z] = 5(z + 10)

Combine like terms: -45 + 5 = -40
3[-40 + z + -5z] = 5(z + 10)

Combine like terms: z + -5z = -4z
3[-40 + -4z] = 5(z + 10)
[-40 * 3 + -4z * 3] = 5(z + 10)
[-120 + -12z] = 5(z + 10)

Reorder the terms:
-120 + -12z = 5(10 + z)
-120 + -12z = (10 * 5 + z * 5)
-120 + -12z = (50 + 5z)

Solving
-120 + -12z = 50 + 5z

Solving for variable 'z'.

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

Add '-5z' to each side of the equation.
-120 + -12z + -5z = 50 + 5z + -5z

Combine like terms: -12z + -5z = -17z
-120 + -17z = 50 + 5z + -5z

Combine like terms: 5z + -5z = 0
-120 + -17z = 50 + 0
-120 + -17z = 50

Add '120' to each side of the equation.
-120 + 120 + -17z = 50 + 120

Combine like terms: -120 + 120 = 0
0 + -17z = 50 + 120
-17z = 50 + 120

Combine like terms: 50 + 120 = 170
-17z = 170

Divide each side by '-17'.
z = -10

Simplifying
z = -10

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