The steps to solve equation 5x−6+7=153x are shown. Which statement about the solution is true? answer 1: Step 4 shows a mistake in the solution which provides an incorrect result in Step 5.

answer 2: Step 5 values resulted from an incorrect calculation which provides an invalid result in Step 5.

answer 3: Step 5 shows that equation 5x−6+7=153x has no solution.

answer 4: Step 5 shows that equation 5x−6+7=153x has an infinite number of solutions.

the highest percentage for deaths in construction from highest to lowest is as follows: falls, struck by objects, electrocution, and caught-in/between. these four are collectively known as fatal four.

in the case of falls, the type that is responsible for the overall highest death in the category is falls from roofs.

solve systems of equations by graphing. a system of linear equations contains two or more equations e.g. y=0.5x+2 and y=x-2. the solution of such a system is the ordered pair that is a solution to both equations. to solve a system of linear equations graphically we graph both equations in the same coordinate system