Asked by Sandra
Solve the system by substitution.
2x + y = -11
3x - 4y = 11
(3, 5)
(–5, –3)
(–3, –5)
(5, 3)
How?
2x + y = -11
3x - 4y = 11
(3, 5)
(–5, –3)
(–3, –5)
(5, 3)
How?
Answers
Answered by
PsyDAG
y = 11 - 2x
3x - 4y = 11
Substitute 11-2x for y in the second equation and solve for x. Insert that value into the first equation to solve for y. Check by putting both values into the second equation.
3x - 4y = 11
Substitute 11-2x for y in the second equation and solve for x. Insert that value into the first equation to solve for y. Check by putting both values into the second equation.
Answered by
Reiny
I am sure PsyDAG meant to say
y = -11 - 2x
and to sub -11-2x or y in the second equation
y = -11 - 2x
and to sub -11-2x or y in the second equation
Answered by
Sandra
Thank you, that makes more sense.
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