3x-11 for x=9
3x + 9 = 42 3x = 33 x = 11
2x + 3 + 3x = x + 11 5x + 3 = x + 11 4x + 3 = 11 4x = 8 x = (8/4) x = 2
(0,7)
7
4+3x-27=-12 To solve it... 3x= -12-4+27 3x= 11 x= 11/3 x= 3.666
3x-11 for x=9
3x + 9 = 42 3x = 33 x = 11
2x + 3 + 3x = x + 11 5x + 3 = x + 11 4x + 3 = 11 4x = 8 x = (8/4) x = 2
(0,7)
x + 2x = 33 3x = 33 3x/3 = 33/3 x = 11
7
23
x=7
x = -8
3
3x+11+5x=75(add 5x and 3x) 8x+11=75(-11) 8x=64(/ 8) x=8(ANSWER)