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Wilson
Mathematics
31 July, 10:18
How do I solve the following by using graphing?
y=4x+9
10x=18 - 2y
+4
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Glenn Valentine
31 July, 10:23
0
To make it easy to graph, you probably want to change the second equation to y = mx + b form, like the first. Then graph by using the value of b as the y intercept (the value of y when x = 0) and m is the slope. Then the solution of the two equations is where the two lines meet.
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Harper Porter
31 July, 10:26
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10x=18-2y
-18. - 18
10x-18=2y divide everything by 2
5x-9=y
M=5
B=-9 (0,-9)
To graph start at - 9 then go up 1 and then go to the right 5 times because it needs to be a positive line
Y=4x+9
M=4
B=9 (0,9)
Do the same thing as the other one
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