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ella [17]
3 years ago
14

2x-y=17 X-y= 10 Using the elimination method

Mathematics
2 answers:
Alinara [238K]3 years ago
8 0
2x-y=17
<u>x-y=10</u>

2x-y=17
<u>-2(x-y)=-2(10)</u>  
-2x+2y=-20
(cross out the -2x's)
-y=17
<u>+2y=-20
</u>y=3
(plug 3 into y to find x)
(3)-y=10
-y=7
y=-7
x=3 & y=-7


vfiekz [6]3 years ago
6 0
Easy just subtract 2x from each side then divide
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3 years ago
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3 years ago
How do you slove 3x+4y=8 in steps
gavmur [86]
<span><span><span>3x</span>+<span>4y</span></span>=8
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<span>x=<span><span><span><span>−4/</span>3</span>y</span>+<span>8/<span>3</span></span></span></span>
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