42x + 1 = 8x - 1
Subtract 1 from each side:
42x = 8x - 2
Subtract 8x from each side:
34x = -2
Divide each side by 34:
x = -2/34 = -1/17
5x - 42x + 5 = - 37 x +5
42x+35x-35x=42x it's leave 85 so it's change into a negative 42x-85 is the answer
(-7x + 3)(-7x +3)
-1/19=x
-8 + 7x = x - 506x = -42x = -6
hujkImproved anwser:2x+6 = 7x-42x-7x = -4-6-5x = -10x = 2
Collect the like terms;42x-23 = 940Add 23 to both sides;42x = 963Divide both sides by 42;x = 963/42
-42x - 9 = -19 Multiply both sides by -1 to get rid of all those negative signs: 42x + 9 = 19 Subtract 9 from both sides to get the x alone on the left side: 42x = 10 Divide by 42 to find x: x = 10/42 = 5/21 = 0.(238095)
x2 - 42x + 441 = (x - 21)2
12x - 8 = 10x + 42x = 12x = 6
2x + 4 = 362x = 36 - 42x = 32x = 32/2X = 16
x3 + 13x2 + 42x = x(x + 6)(x + 7).