1.20x+5x= 75 what is x

2.10x-4x=28

1mile equals approximately 1.6 kilometers. which best approximates the number of miles in 6 kilometers?

We just started the introduction into circles and i have no idea how to do this.

Consider this equation. |y + 6| = 2 what can be concluded of the equation? check all that apply. there will be one solution. there will be two solutions. the solution to –(y + 6) = 2 will be also be a solution to the given absolute value equation. the solution(s) will be the number(s) on the number line 2 units away from –6. the value of y must be positive since the variable is inside absolute value signs.