solve it by elimination method, 2x+3y=7 and 6x+5y=11
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Step-by-step explanation:
2x+3y=7 __________1
6x+5y=11 __________2
multiply equation 1 with 3
6x+9y=21
by subtracting equation 2 from equation 1 then
4y=10
y=10/4=2.5
substitute y=2.5 in equation 1
2x+3×2.5=7
2x=7-7.5
X=-0.5
X= -5/20=-1/5 or 0.25
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