Question

What equation should i use -7x+8y=13 2y=12

Answer 1

Simple and best practice solution for 3+4y-2=8y+13-2y equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of ... like terms: 13 + -1 = 12 -2y = 12 Divide each side by '-2'. y = -6 Simplifying y = -6. You can always share this solution.
You can put this solution on YOUR website! 4x-y=5 9x-2y=13 4x - y = 5 (1) 9x - 2y = 13 (2) Let's takethe first equation: 4x - y = 5 ... 45 + 9y - 8y = 52 ... 4x/4 = 12/4
Simplifying 16y2 + -12y + 2 = 0 Reorder the terms: 2 + -12y + 16y2 = 0 Solving 2 + -12y + ... 2(1 + -6y +8y2) = 0 Factor a trinomial. 2((1 + -4y)(1 + -2y)) = 0 Ignore the factor 2. ... Hint: Selecting "AUTO" in the variable box will make the calculator