Solve simultaneously..? #x = 3y# and #x = 1/2 (3 + 9y)#
2 Answers
Explanation:
The two given equations are both equal to
Therefore they are equal to each other.
First solve for y
1) Clear the fraction by multiplying both sides by 2 and letting the denominator cancel.
After you have multiplied and canceled, you will have this:
2) Subtract
3) Subtract 3 from both sides to isolate the
4) Divide both sides by 3 to isolate
Next solve for
Sub in
Replace
Clear the parentheses
........................
Check
Sub in
Clear the inner parentheses
Solve inside the parentheses
Clear the parentheses by distributing the
Check!
Explanation:
substitute
~~~~~~~~~~~~
check:-
substitute