Tell whether the ordered pair is a solution of the equation.

1.y=7x;(2,21) 2.y=5x + 1; (3,16) 3. The equation y=10x + 25 gives the amount y (in dollars) in your savings account after x weeks?

Answer all 3 Questions.

62926281916 inches of rain: )

1. use commutative property to reorder the terms.2x+81=0.2. move the constant to right side by adding its opposite on both sides. 2x+81-81=0-81.2x=(-81).3. divide the equation on both sides.2x ÷ 2 = 81 ÷ 2.x = -81/2. your answer is -81/2. if you need to simplify it into a decimal, it’s -40.5.