- - - - - -_=_198 - - - ~ 2a+8b 2a+4b = 98 The solution to the given system of equations is (a,b). What is the value of b?
Correct answer: 25
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Explanation
25 The correct answer is . Subtracting the second equation from the first equation 2 -2 + 8 -4 =198-98 in the given system of equations yields ^ a ah ^ b bh , which is 0+4 =100 4 =100 equivalent to b , or b . Dividing each side of this equation by 4 =25 yields b .
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