Question 631279

elimination method
a+6b=1
a+2b=-3


a + 6b = 1 ------ eq (i)
a + 2b = - 3 ---- eq (ii)
4b = 4 ------ Subtracting eq (ii) from eq (i)


b = {{{4/4}}}, or {{{highlight_green(1)}}}


a + 6(1) = 1 ------ Substituting 1 for b in eq (i)


a = 1 - 6, or {{{highlight_green(- 5)}}}


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