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

Step-by-step 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

Step-by-step explanation:

answer: c i think

step-by-step explanation:

7! = 7×6×5×4×3×2

3! = 3× 2

as 7! is multiple of 3! because 7! contains 3! that is 3× 2 as factor

so 7! /(3! ) = 7× 6× 5× 4

= 42 × 20

= 840

its b) 840✌✌✌

dhruv⭐