Question

a-4=-15
-8-m=-1
a-4a=4-a

Answer 1

OI...

a)

a - 4 = - 15

a = - 15 + 4

a = - 11

b)

- 8 - m = - 1

- m = - 1 + 8

- m = 7 ( - 1)

m = - 7

c)

a - 4a = 4 - a

- 3a + a = 4

- 2a = 4 ( - 1)

2a = - 4

a = - 4/2

a = - 2

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