1) x + y = 5
2) 4x - 2y = 20
3) 4x - 3y =12
4) 6x - y= 18

Will give brainliest sum of arithmetic series (sigma notation) find the numerical answer to the summation given below. (image shown below)

Acar travels at an average speed of 56 miles per hour. how long does it take to travel 196 miles

Which of these equations, when solved, gives a different value of x than the other three? a9.1 = -0.2x + 10 b10 = 9.1 + 0.2x c10 – 0.2x = 9.1 d9.1 – 10 = 0.2x