x= -1 y=-1
The Commutative Property of Addition.
No.
8 + 5y = 18 Therefore, 5y = 10 y = 10/5 y = 2
2y+5y=10 7y=10 y=10/7
9y+3 = 5y+13 9y-5y = 13-3 4y = 10 y =2.5
x + 5y = 10 5y = -x + 10 y = -x/5 + 2 m = -1/5 or .2
9y+3=5y+13 4y=10 y=10/4 or 5/2 or 2.5
5y + 5y = 10y
5x+10-5y-3x+1=0 <--You start with this. Then move the 10 and 1 to the other side by subtracting them. 5x-5y-3x=-11<--Next combine the x's 2x-3y=-11<--This is the simplified answer.
-5y +2x = -10 -5y = -2x -10 y = 2/5x +2 So the slope = 2/5 and the y intercept = 2
Here's how it is:2y + 10 = 5y - 4ySolution:2y + 10 = 1y (subtract 5y and 4y)10 = 1y - 2y10 = -1y-1(10 = -1y)y = -10
The question is not quite clear, do you mean -6x+3y = -18 and -10+5y = -30? If so then the solution is: -10+5y= -30 5y = -30+10 5y = -20 y = -4 Substitute the value of y into the equation -6x+3y = -18: Answer: x = 1 and y = -4