Answer:
x=11
Step-by-step explanation:
3x+3(5x-6)= 180
Distribute 3 to 5x and -6
3x+15x-18=180
Combine like terms
18x-18=180
Add 18 to both side
18x=198
Divide 18 on both side
Rewrite the division as a fraction.
I usseme you already got this answer
23
50 : 45
10 : 9 (10 yellow : 9 red)