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