Answer:
Step-by-step explanation:
B + 2C
= w + 10 + 2(-w - 1)
= w + 10 -2w - 2
= -w + 8
4x - 4a + 3b = 5x + a
-4a + 3b= 5x + a - 4x
-4a + 3b - a = x
-5a + 3b = x