Question

Just A and B really stuck pls help really appreciate it thx

Answer 1

a) 5r +3 + 2(r+9) = 7r + 21

b) 2 (4w - 5) - 2 (w - 7) = 6w + 4

Explanation:

a) 5r +3 + 2(r+9) = 5r +3 + 2r +18 = 7r + 21

b) 2 (4w - 5) - 2 (w - 7) = 8w -10 -2w +14 = 6w + 4