Question

i.
iii.
x-4 = 3, x=- 1, 7, 7
2a + 4 = 0, a = 2, -2,1​

Answer 1

Answer:

x=7, a=-2,

Step-by-step explanation:

x-4=3

x=4+3

x=7

2a+4=0

2a=-4

a=-4/2

a=-2

Answer 2

Answer:

x=7, a=-2

Step-by-step explanation:

7-4=3

2(-2)+4=0

i think this is solve in this way