\begin{aligned} &-x+4y=-9 &y=-2x +6 \end{aligned}


−x+4y=−9
y=−2x+6


Is (2,3)(2,3)left parenthesis, 2, comma, 3, right parenthesis a solution of the system?

What number produces an irrational number when multiplied by -1.25

Need 50 will mark brainliest answer. find the lengths of all the sides and the measures of the angles.

Select the correct answer from each drop-down menu. a system of equations and its solution are given below. system a complete the sentences to explain what steps were followed to obtain the system of equations below. system b to get system b, the equation in system a was replaced by the sum of that equation and times the equation. the solution to system b the same as the solution to system a.]