Question

Solve this system of equations using the addition method.
4a - 5b = 7
4a + 5b = 17
type the correct answer in ordered pair form

Answer 1

eqt 1 = 4a-5b=7
eqt 2 = 4a+5b=17
eqt1+eqt2= 8a=24
a=3  then 4*3-5b=7 
so b=1