Y=3.4x
2*3.4=6.8
5*3.4=17
8*3.4=27.2
11*3.4=37.4
6x-12 = 2x-6
get like terms on the same side by adding/subtracting.
6x - 12 = 2x - 6
+ 12, -2x on both sides
6x - 2x = -6 + 12
4x = 6
divide all by 4
x = 1.5
to check your answer, plug in 1.5 for x and see if they are equal to one another.
6(1.5) - 12 = -3
2(1.5) - 6 = -3
It starts with 1,880 with 10% in simple interest. We should find 10 percent of 1,880 so we can find what it gains every 2 years. After that, we can make an equation involving the starting value, 1880, and the rate, 10% of 1880. After, we can replace X with 2 to find the balance after 2 years.
1,880×.1=188
1,880+ 188x=y
1,880+ 188(2)=y
1,880+ 376=y
2,256=y
The balance after 2 years is $2,256.
Looks like you did it backwards, hope this was helpful!!
