Matching Pairs 1-Step EquationsOnline version Please complete the matching game on 1-step Equations. by Jodie De Sordi 1 3 + x = 15 2 x/-3 = 12 3 12x = -144 4 A letter used to represent a number. The noun of the sentence. 5 A number sentence (has an equal sign) 6 x - 12 = 20 7 x + 12 = 8 8 x/-4 = 40 9 12 + x = -5 10 3x = -15 11 10 + x = -1 12 50 = -5x 13 The number before the variable, the adjective in 4x, the 4 would be the_________. -17 -36 -160 -4 Variable -5 -11 12 Coefficient -10 -12 32 Equation