Question

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1) n - 8 = -3
2) -2m=-24
3) m/2=-7
4) 2/3y=20
(20 points for answers all)

Answer 1

1. n = 5
2. m = 12
3. m= -14
4. y =30

Explanation:

1.

`n -8 =-3\\\\Collect\:like\:terms\\n = -3+8\\\\Simplify ; -3+8 = 5\\\\n =5`

2.

`-2m=-24\\\\Divide\: both \:sides\:of\:the\:equation\:by\:-2\\\\(-2m)/(-2) = (-24)/(-2) \\\\Simplify ; -2m/-2 = m , -24/-2 = 12\\\\m =12`

3.

`(m)/(2)=-7\\\\Cross\:Multiply\\\\m* 1 = 2* -7\\\\m = -14`

4.

`(2)/(3)y=20\\ \\(2)/(3) y = (20)/(1) \\\\Cross\:Multiply\\\\2y* 1 = 3* 20\\\\2y = 20\\\\\mathrm{Divide\:both\:sides\:by\:}2\\(2y)/(2)=(60)/(2)\\\\Simplify\\y = 30`