Asked by Deborah
Solve the following system of equations using substitution. What is the value of y?
2x + 3y = 105
x + 2y = 65
A.15
B.25
C.40
D.65
I think it is B??
2x + 3y = 105
x + 2y = 65
A.15
B.25
C.40
D.65
I think it is B??
Answers
Answered by
mr. potato head ∞®★★¾
pshh. that's easy it's D!
Answered by
Deborah
Can you explain and show me how to work this problem?
Answered by
PsyDAG
x = 65 - 2y
2x + 3y = 105
Substitute 65-2y for x in second equation and solve for y. Insert that value into the first equation and solve for x. Check by inserting both values into the second equation.
It definitely is not D! You are right with B.
2x + 3y = 105
Substitute 65-2y for x in second equation and solve for y. Insert that value into the first equation and solve for x. Check by inserting both values into the second equation.
It definitely is not D! You are right with B.
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