Solve the equation. 1.3x+2.8=0.5x-4.48
The first thing you should do is subtract 0.5x from both sides.
That's so you can get rid of the 0.5x on the right side of the equation. 1.3x minus 0.5x is 0.7x.
I got 0.8
x
Allow me to check.
\[1.3X + 2.8 = .5X - 4.48\]\[.8x + 2.8 = - 4.48\]\[.8x =-7.28\]\[x= -9.1\]
You are correct, sorry. Then it should appear as this: 0.8x + 2.8 = -4.48 Add 4.48 to both sides. 0.8x = 7.28 Divide 0.8x with both sides to get rid of the 0.8x. You should get 9.1.
How did you get -9.1?
\[1.3(-9.10) + 2.8 = .5(-9.1) - 4.48\]
i divided .8x with 7.28
it might make it a little easier if you start off by multiplying the entire equation by 100. This will get rid of the decimals. Just a suggestion
1.3x + 2.8 = 0.5x - 4.48 --- multiply everything by 100 130x + 280 = 50x - 448 -- subtract 50x from both sides 130x - 50x + 280 = -448 -- subtract 280 from both sides 130x - 50x = -448 - 280 -- combine like terms 80x = - 728 -- divide by 80 x = -728/80 x = -9.1
I got it. I like the way the problem is set up. Thank You.
Join our real-time social learning platform and learn together with your friends!