Answer:


Step-by-step explanation:


to use the elimination you have to make one of the numbers same
so

and you would have to change the sign so that both of the 3x could cancel out.
New system of equation




so we know the y value so now you could find the x value take one equation



you could try it with both of the equations






3/6 (r-7) =1 The answer is r=7
Subtracting a negative is the same as adding it.
4-(-3)=4+3=7
Answer:
The LCM of 10, 12, and 18 is 180.
HOPE THIS HELPED!!!!!!!!!!!!XDDDDDDDD
Answer:
42???
Step-by-step explanation:
sorry if wrong
hope this helps