Question

Solve these problems:
A) 4y + 3 = 19
B) (1/2)n-3=5

Answer 1

Explanation:

a 4y=19-3

4y=16

y=16/4

y=4

b. 1/2n=5+3

1/2n=8

n=8×2 as 1/2 become on right so it become 2

n=16

Answer 2

Explanation:

`4y + 3 = 19 \\ 4y = 19 - 3 \\ 4y = 16 \\ (4y)/(4) = (16)/(4) \\ y = 4`

`( (1)/(2) )n - 3 = 5 \\ (n)/(2 ) - 3 = 5 \\ (n)/(2) = 5 + 3 \\ 2 * (n)/(2) = 8 * 2 \\ n = 16`