SOLUTION: y=x-13
2x+3y=1
*Please show me how to do this, I want to learn (relearn) so I can help my daughter. Please show me the steps and not just the answer*
Algebra.Com
Question 1049211: y=x-13
2x+3y=1
*Please show me how to do this, I want to learn (relearn) so I can help my daughter. Please show me the steps and not just the answer*
Answer by advanced_Learner(501) (Show Source): You can put this solution on YOUR website!
= (1)
= (2)
first Method Substitution
= subsitute eq(1) into eq(2)
=
= distribute the 3
=
= add 39 to both sides
=
= divide both sides by 5
=
=
if = then = becomes
=
=
second method elimination
= (1) turn this equation into standard form
-= (1)
= (2)
now re-arrange
+= (1)
= (2)
multiply eq(1) by 2 on both sides
+= (1)
add eq(1) and (2)
+=
=
=
=
then find the value of x
+=
=+
=
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