Answer:
x = 4
Step-by-step explanation:
5x-50=30-15x
5x +15x =30+50
20x= 80
Divide both sides of the equation by 20
x = 4
I hope it helps
1) <span>-16a+3+7a-6 = -9a - 3
2) </span><span>14x+8y+12y-20x = 20y - 6x
3) </span><span>-3(8p-6)+4p = 18-20p
4) </span>(9x+2y-8) - (12x+11 = -3x + 2y - 19
Chicken-23
Goats-7
Desc. to short, don't mind this comment.
Answer:
12. 10.5 cm
13. 16 m
14. 8 m
15. 50.24 m
16. 200.96 m2
17. (16+4 =20 ÷2 =10 ·10·π =314 ÷2 =157) + (16·4 =64) =221 in2
18. (1.1 · 1.2 =1.32) + (1.2 · 4 =4.8 ÷2 =2.4) =3.72 in2
19. 10·5=50
20. c.(1/2 d)^2·π
