Subtract the 2 equations
7x+2y=-19
- -x+2y = 21
--------------------------
8x +0y=-2
x= -1/4
Answer: 49
Step-by-step explanation: just roll with it
Answer:
y = 1/4 - 4
Step-by-step explanation:
This is because -4 is where the line intercepts with the y - axis while 1/4 is 1 up, over 3
Find a number you can multiply by the bottom of the fraction to make it 10, or 100, or 1000, or any 1 followed by 0s.
Multiply both top and bottom by that number.
Then write down just the top number, putting the decimal point in the correct spot (one space from the right hand side for every zero in the bottom number)