Solve for x. 2-1/2x−3/4(2x 5)=3/8 x=−4-5/8x=−4-5/8 x=−3-3/8x=−3-3/8 x=4-1/8x=4-1/8 x=5-3/8x=5-3/8

x = 6

Step-by-step explanation:

−5(x+3)+8x                             = 3                       Distribute.

(−5)(x)+(−5)(3)+8x                   =3                        Simplify.

−5x−15+8x                              =3                       Commute.

-5x+8x−15                               =3                       Combine like terms.

3x−15                                      =3                       Add 15 to each side.

3x                                            =18                     Add 15 to each side.

3x/3                                        =18/3                   Divide each side by 3.

x                                              =6                        Simplify.

step-by-step explanation:

no, her answer is not correct.   we square the lengths of all sides and then determine whether the pythagorean theorem holds here:

9² + 15² = 306.   this is not equal to the square of the longest side ( that square being 395.   answer c is correct.