Question 1148610
a(2+x) + b(1-x) = 3x+5
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{{{2a+ax+b-bx=3x+5}}}

{{{ax-bx+2a+b=3x+5}}}

{{{(a-b)x+(2a+b)=3x+5}}}


{{{system(a-b=3,2a+b=5)}}}---------solve this system and you will have your a and b.