Is x=0.5 a solution for the equation 3(x+1)=3x+3

Television sizes are based on the length of the diagonal of the television's rectangular screen. so, for example, a 70-inch television is a television having a diagonal screen length of 70 inches. if a 70 inch television's diagonal forms a 29°angle with the base of the screen, what is the vertical height (1) of the screen to the nearest inch? 70 inhin

Askateboard ramp is in the shape of a right triangle what is the height of the ramp

Graph the equationy= x+3[tex]y = x + 3[/tex]