Answer:
A) 3x + 2y = 12
B) 6x + 3y = 21
We multiply A) by -2
A) -6x -4y = -24 then we add B)
B) 6x + 3y = 21
-y = -3
y = 3
Since y = 3 then
x = 2
Step-by-step explanation:
15:9
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<span><span>The answer to your question (<span><span>−∞</span>,<span>−4</span></span>)</span>∪<span>(<span>1,∞</span>) </span></span><span>{<span>x|x<<span>−4</span></span>,<span>x>1</span></span>
The gcf for 12, 30,72 is 6