4x=-3y+17 becomes 4x+3y=17
4x+3y=17
3x-4y=-6
alrighty
elimination
muliply first equation by 4 and 2nd by 3 and add them
16x+12y=68
9x-12y=-18
add them
25x+0y=50
25x=50
idivide both sides by 25
x=2
sub back
3x-4y=-6
3(2)-4y=-6
6-4y=-6
-4y=-12
y=3
(x,y)
(2,3)
You have the following function:
2x + 4 = 8
in order to solve the prvious equation for x, as follow:
2x + 4 = 8 subtract 4 both sides
2x = 8 - 4
2x = 4 divide by 2 both sides
x = 4/2
x = 2
Hence, the solution for x is 2
Answer:
26.7 (Add unit)
Step-by-step explanation:
Perimeter= 187
Number of sides= 7
Side= Total length of sides/Number of sides
Side= 187/7
Side= 26.7
Answer:
12.5 miles
Step-by-step explanation:
5x2.5=12.5 miles
