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Q: What is 3x plus 12?

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3x + 12 = 42 3x = 30 x = 10

3x+12=x+48: 3x-x=-12+48 2x=36 x=18

7x + 16 = 3x + 4 4x = -12 x = -3

You simply multiply the expression on the outside (in this case, 3) by each of the expressions inside the parentheses, and add everything up. In this case, 3x + 3 times 4.

6x^2 +32x +12 -4x -3x^2 -36 = 3x^2 +28x -24 simplified

Related questions

3x + 12 + 10x = 13x + 12

3x+42=6x+12 42=6x-3x+12 42=3x+12 42-12=3x 30=3x 10=x

3x + 12 = 42 3x = 30 x = 10

3x+12=x+48: 3x-x=-12+48 2x=36 x=18

It is: 3x^2 +15x +12

6x+4=3x+12 => 6x-3x=12-4 => 3x=8 => x=8/3=2.666...

4x2+3x+6+5x+3x+6 = 4x2+11x+12 when simplified

y-3x+6y=12 7y=3x+12 y=3x/7 +12/7

3x+8 = 12 3x = 4 x = 4/3

6-3x+12=0 6+12-3x=0 18-3x=0 18=3x x=6

12 + 3x = 412 - 12 + 3x = 4 - 123x = -83x/3 = -8/3x = -8/3x = -(2 2/3)

simplify it, 7x-12=x+2+2x-3x 7x=2+12+3x-3x 7x=14 x=2

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