Answered

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Use elimination to solve
X-5y=0
2x-3y=7

Use Elimination To Solve X5y0 2x3y7 class=

Sagot :

x-5y=0. (times the top row by 3 and bottom 2x-3y=7. by 5 to get the y values the same)


3x-15y=0
10x-15y=35

as the signs before the y value are the same, subtract the other top values from the bottom. (all excluding the y values).

so: 3-10=-7 and 0-35=-35

-7x=-35
-x=-5
x=5

substitute your x back into any of the two equations, here I'll use 2x-3y=7

2(5)-3y=7
10-3y=7
10-7=3y
3=3y
y=1

hope this helped
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