Question 272377
take advantage of easy ratios of coefficients


4x + 3y = -7 ___ 4x = -3y - 7


2(4x) - 5y = -47


substituting ___ 2(-3y - 7) - 5y = -47


-6y - 14 - 5y = -47


-11y = -33 ___ y = 3


substituting ___ 4x = -3(3) - 7 ___ 4x = -16 ___ x = -4