What is 4a+3c-2a+4c? This is in my maths homework.?

2a+7c

(4a - 2a) + (3c + 4c)
(2a) + (7c)

a million) 8h=6h-14 2h=-14 h=-7 2) 4x-9+6x-13 10x-21 3) t+10=7t-14 24=6t t=4 4) 2e-12+7e+8 9e+4 5) 2d+10=6d-10 20=4d d=5 6) 8-3k=3k+2 6=6k ok=a million 7) 3c-15=17-c 4c=32 c=8 8) 3y+5.2=2-5y 8y=-3.2 y=.4 9)2m-2=6m-4 2=8m m=.25 10) 4s-a million=8-2s 6s=9 s=3/2 11)6z-7=2z-2 4z=5 z=5/4 12) 18-2g=4g 18=6g g=3 13)5c-15=2c+6 3c=21 c=7 14) 8z+6=7z+4 z=-2 15) 9k+6=7z+4 9k-7z+2=0 sixteen) 9k+6=8k+13 ok=7 17) -2a-9+6a+15 4a+6 18) 7t-4+10t+14 17t+10 19) 14+3n+5n-6 8n+8

4a + 3c - 2a + 4c
(4a - 2a) + (3c + 4c)
2a + 7c

4a + 3c - 2a + 4c
= 4a - 2a + 3c + 4c
= 2a + 7c

add the like terms
2a + 7c

4a+3c-2a+4c=2a+7c

2a+7c