3x - 12 = -2x + 23
5x = 35 so x = 7
2x +n5y=12
x=5.54x+1= 2x+12-1 -14x=2x+11-2x -2x2x=11/2 /2x=5.5
2x + 7 + 2x = 23 4x + 7 = 23 4x = 16 x = 16/4 x = 4
2x+10=12 2x=2 x=1
2x-12
(4, 5)
2x + 1 = 13; 2x = 12; x = 6
2x + 2 + 5x = 23 2x +5x = 23 -2 7x = 21 X = 3
12!
2x-3=4x+9 -2x-12=0 2x=-12 x=-6
7x = 21 x = 3
it equals 13X.