What is x in x - 4 (x - 3) + 7 = 6 - (x - 4)

The angle of a triangle are given as 6x,(x-3), and (3x+7). find x then find the measures of the angles

To solve the system of equations below, pedro isolated the variable y in the first equation and then substituted it into the second equation. what was the resulting equation? { 5y=10x {x^2+y^2=36

Anumber cube is rolled two times in a row. find the probability it will land on 2 on the first roll and a number greater then 4 on the second roll