A car factory produces 100 cars in a day if C is the total number of cars produced in the days which equation represents the num
1 answer:
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Answer
{-10, 9}
Step-by-step explanation:
The above are Simultaneous equations
<h2>What are simultaneous equations?</h2>These are two or more equations that share same variables.
8X + 10Y = 10--------(1)
5X + 4Y = -14-------(2)
<h3>Multiply equation (1) by 5 and equation (2) by 8</h3>40X + 50Y = 50 ---------(3)
40X + 32Y = - 112--------(4)
<h3>Subtract equation (4) from (3)</h3>18Y = 162
<h3>Divide bothsides by 18</h3>40X + 50Y = 50
40X + 50(9) = 50
40X + 450 = 50
40X = 50 - 450
40X = - 400
<h3>{-10, 9}