Find the value of the variable.

What is the result of adding the system of equations? 2x+y=4 3x-y=6

Dylan is evaluation the expression 13+19+7+10 at one step in his work, dylan rewrites the equation as 13+7+19+10 which property of addition must dylan have used when he evaluated the expression?

Given: transversal t passed through parrallel lines r and s. prove: < 3 = < 6 < 4 = < 8what is the next step in the proof? choose the most logicsl approach