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Please put equation all on one line.
9x - y = 11
x + 3y = 23
Multiply first equation by 3.
27x - 3y = 33
Add second and third equation to solve for x. Then solve for y by inserting x value into one of the two top equations.
Solve by the elimination method.
9x−
y=
11
x+3y=
23
1 answer