Answer:
30+ 15 =45
Step-by-step explanation:
(3×10)+15 =45
Answer:
x = -4
Step-by-step explanation:
x = 3 - 7
x = - (7 - 3)
x = -4
For example:
x+2y=7
6x+7y=2
__________
x=7-2y *
6*(7-2y)+7y=2 **
__________
x=7-2y
42-12y+7y=2
__________
x=7-2y
-5y=-40
__________
x=7-2y
y=8
x=-9
3.50m+75 for the 30 miles, he is being paid 105 plus the daily amount of 75 which equals to 180$.