Answer:
x= 17
Step-by-step explanation:
5x-7=3x+27
move 3x to other side by doing the oppostie (subtracting 3x)
5x-7-3x=27
2x-7=27
move -7 to other side by adding it (to the other side)
2x= 7+27
2x= 34
divide by 2 (on both sides) to get x by itself
2x/2=34/2
x= 17
What grade is this taught in
Answer:
55
Step-by-step explanation:
7 x 10 = 70
4 x 10 = 40
70 + 40 = 110
110 / 2 = 55
When we are multiplying our 10's, we are basically adding another 10 each time. Since the number grid is in rows of 10, adding another 10 is the same as moving down one row, which makes a straight column.
Answer:
k = 3 or k = -4
(Anyone can correct me if I'm wrong)
Step-by-step explanation:
