Asked by Lavern

solve by substitution method

7x+8y=44
x=41-5y
Answered by amper
7(41-5Y) +8Y =44
SOLVE Y
AND THEN PUT Y = ? IN X=41-5Y
THEN SOLVE X

in fact ,purpose of substitution is to make a equation have only one unknown so that we can easily solve the problem
Answered by Anonymous
3216:(5y-109)=16