-2x+y=9, x+2y=3 elimination
1 answer:
<span><span><span>−<span>2x</span></span>+y</span>=9</span>
<span><span><span><span>−<span>2x</span></span>+y</span>+<span>−y</span></span>=<span>9+<span>−y</span></span></span><span><span>
−<span>2x</span></span>=<span><span>−y</span>+9</span></span>
<span><span><span>−<span>2x</span></span><span>−2</span></span>=<span><span><span>−y</span>+9</span><span>−2</span></span></span><span>
x=<span><span><span>12</span>y</span>+<span><span>−9</span><span>2
Now, </span></span></span></span><span>x+<span>2y</span></span>=3
<span><span><span>x+<span>2y</span></span>+<span>−<span>2y</span></span></span>=<span>3+<span>−<span>2y</span></span></span></span><span>
x=<span><span>−<span>2y</span></span>+<span>3
Hoped I helped!</span></span></span><span>
</span>
You might be interested in
$60 ÷ $15 = 4
$9 × 4 = $36
he saved $36 when he earned $60
Answer:
I'm sorry m8, but the picture won't load, what is it? The screen is just black
Answer:
4
Step-by-step explanation:
-20/-5=4
Answer:
60 in:9 in 20 in:3 in 6.6666667
Step-by-step explanation:
5 ft needs to be in inches, so multiply by 12 (inches per foot) ten you can compare.
