Answer:
4c - 12
Step-by-step explanation:
The brackets mean you multiply.
4 x c = 4c
4 x 3 = 12
Answer:
3X+5Y=68 MULTIPLY BY 4
3Y-4X=6 MULTIPLY BY 3 & ADD.
12X+20Y=272
-12X+9Y=18
-----------------
29Y=290
Y=290/29
Y=10 ANS.
Step-by-step explanation:
3rd one I think tho it may not be accurate
Step-by-step explanation:
For triangle total degree=180°
2x+3x+4x=180
You get x=20°
Hence angles respective are..
40°,60°,80°
