y = −2x 3x+y = 40 The solution to the given system of equations is (x,y). What is the value of x?
Correct answer: 40
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Explanation
40 The correct answer is . It’s given in the first equation of the system that =- - y 2x. Substituting 2x for y in the second equation of the system yields 3 + -2 =40 x ^ xh . Combining like terms on the left-hand side of this equation =40 40 yields x . Therefore, the value of x is .
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