Q: If 2x plus 1 equals y what does 12x plus 6 equals?

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2x+1=6 -1 -12x=5/2 /2x=2.5 or 2 1/2

x=-1 becaus: 12x+3=2x-7 10x+3=-7 (-2x) 10x=-10 (-3) x=-1 (divided by 10)

4x2 + 12x + 5 = 4x2 + 2x + 10x + 5 = 2x(2x+1) + 5(2x+1) = (2x+1)(2x+5)

No solution. Multiply second equation by 3 and get 12x + 6y = 0 but already stated 12x + 6y = 9...

4x2 + 12x + 5 = (2x + 1)(2x + 5).

12x + 5 - 2x =(12x - 2x) + 5 =10x + 5 =5 (2x + 1)

The solution is 1/2 or 0.5. This is how: 2x+1=7-10x 2x=6-10x 12x=6 x=1/2

(2x+5)(2x+1)

12x + 9 = 10x + 1 Subtract 10x from both sides: 2x + 9 = 1 Sutract 9 from both sides: 2x = - 8 Divide both sides by 2: x = -4

The answer is (2x^2+3)(4x+1)

(3x+1)(2x+4) = 6x2+4+2x+12x = 6x2+14x+4

6+(-2x-8)-(-3+12x)-(4y)= 6-2x-8+3-12x-4y=1-14x-4y 1-14x=4y (1-14x)/4=y