Question

Solution required step by step

Answer 1

Answer:

Y+21=2(5y+21)

Y+21=10y+42

9y=-21

Y=-21/9=-7/3

-7/3 answer

Hope it helps

Answer 2

$heya \\ \\ \\ y + 21 = 2(5y + 21) \\ \\ \\ y + 21 = 2 \times 5y + 2 \times 21 \\ \\ \\ y + 21 = 10y + 42 \\ \\ \\ y - 10y = 42 - 21 \\ \\ \\ - 9y = 21 \\ \\ \\ y = - 21 \div 9 \\ \\ \\ y= - 7 \div 3$