# Algebra

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Solve the system of linear equations using the substitution method.
3x + 3y = 0
-6x + 9y = -10

• Algebra -

My answer to the above system is (2/3, -2/3). Am I right?

• Algebra -

x + y = 0
so
y = - x
then
-6 x + 9 (-x) = -10
- 15 x = -10
x = 2/3
then
y = - x = -2/3
So Yes

• Algebra -

Thanks

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