Match the justification to each statement in the solution of x + 12.7 = -25.2. x + 12.7 = -25.2
identity property of addition
x= -37.9
additive inverse/simplification
x + 12.7 -12.7 = -25.2 - 12.7
subtraction property of equality
x + 0 = -37.9
given

Which math sentence can be used to determine if the triangle is a right triangle?

8) during a clearance sale, a keyboard that normally sells for $49.99 is discounted for $34.99. what is the percent discount?

Match each equation to the ordered pair that represents one of its solutions. 3x + 2y = 6 -5x + y = -10 x ? 4y = 8 -6x ? 5y = 30 ordered pair equation (0, -6) arrowboth (0, 3) arrowboth (4, -1) arrowboth (1, -5) arrowboth reset next unit 2 - pretest