Solve each system by the substitution method .Indicate whether each system is independent, inconsistent, or dependent. 1) 3y=x+5 2x-2y= -10 2) x=1/8y-1 y= 1/4x+39
Follow Math Help Forum on Facebook and Google+
Originally Posted by fancyface 1) 3y=x+5 2x-2y= -10 In first equation we have, Substitute, There is a unique solution.
Originally Posted by fancyface Solve each system by the substitution method. ... 2) x=1/8y-1 y= 1/4x+39 Hello, you have . Substitute the x in the 2nd equation: . Expand the RHS of this equation: . This will give: . Solve for y. I've got y = 40. Re-substitute this value in equation#1. I got x = 4. There is only this solution. EB
View Tag Cloud