SOLUTION: solve by the substitution method 3x-9y=69 5x+25=y. the solution
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Question 536435: solve by the substitution method 3x-9y=69 5x+25=y. the solution
Answer by Maths68(1474) (Show Source): You can put this solution on YOUR website!
.............(1)
..............(2)
Put the value of y in (1)
Divide by -42 both sides
Put the value of x in (1)
Divide by -9 both sides
x,y=-7,-10
Check
=====
Put the values of x and y in (1)
.............(1)
Put the values of x and y in (2)
..............(2)
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