<span>Example<span>Problem<span><span>Use elimination to solve the system.</span> x –<span> y = </span>−6x <span>+ y = 8</span></span> </span><span> Add the equations.</span><span> <span><span>2x = 2</span>x = 1</span><span>Solve for x.</span></span><span> <span>x<span> + y = 8</span><span>1 + y = 8</span>y = 8 – 1y = 7</span><span>Substitute x = 1 into one of the original equations and solve for y.</span></span><span> <span>x<span> – y = −6</span>1 – 7 = −6−6 = −6 TRUE</span><span>x<span> + y = 8</span>1 + 7 = 88 = 8TRUE</span><span>Be sure to check your answer in both equations!</span></span><span>AnswerThe solution is (1, 7). </span></span>
Answer:
21
Step-by-step explanation:
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Answer:
4.243
step by step explanation:
Answer:
They will buy 4 hotdogs and 3 drinks
Step-by-step explanation:
Answer: You will spend 25.94$
Step-by-step explanation:
6.5 yards by 3.99 per yard = 6.5 times 3.99 = 25.935 witch rounds too 25.94$