49+1+16=66
66/9=22/3
22/3 can also be expressed as 6 2/3
Answer:
The answer is C
Step-by-step explanation:
Straight angles means a line which straight and has no turning.
First you want to isolate the variable, do this by adding 18 to both sides. You're left with 12r = 13r + 36, then subtract 13r to get the variables alone. You're then left with -1r = 36, multiply by -1 to remove the negative. The final result would be (1) r = 36.
Answer:
The equation is 3n + 13 = 40 The triplets are 9 years old
Step-by-step explanation: