A first number plus twice a second number is 6 twice the first number plus the second totals 27 find the numbers

Arectangular exercise mat has a perimeter of 36 feet the length of the mat is twich the width writeand solve an equation to determine the length in feet. of the mat then find the area in square feet of the mart

Find the zeros of each function. f(x) = x^2 + 5x - 6

Can some one explain how to slove specifically, what is the value of x? 0.9(x+1.4)-2.3+0.1x=1.6 enter the answer as a decimal in the box. x= ?