7 x 41-5y+8y=44
287+3y=44
3y=-287+44
3y=-243
y=-243 divided by 3
y=81
Please help me to solve by substitution method.
7x+8y =44
x=41-5y
2 answers
Patty should have used brackets
in 7x + 8y = 44
7(41-5y) + 8y = 44
287 - 35y + 8y = 44
-27y = -243
y = 9
then in x= 41-5y
x = 41-45
x = -4
so x=-4 and y = 9
in 7x + 8y = 44
7(41-5y) + 8y = 44
287 - 35y + 8y = 44
-27y = -243
y = 9
then in x= 41-5y
x = 41-45
x = -4
so x=-4 and y = 9