Let
Y be the age of Franco's dad.
X Franco's age
Y = 3*X (1)
(Y +10) = 2*(X+10) +2 (2)
(3*X +10) = 2*X +20 +2
(3-2)X = 22 -10
X = 12 years old (Franco)
Y = 3*12 = 36 years old (Franco's dad)
Answer:
The sum of 78 and -78 is zero.
Step-by-step explanation:
I used a calculator ;)
–4(6x + 3) = -12<span>(x + 10)
</span><span> -24x - 12 = -12x - 120
12x = 108
x = 9
answer
</span><span>B. x = 9</span><span>
</span>
There is 1/2 2/4 3/6 4/8 5/10 6/12 7/14 8/16 9/18 10/20 and so on
