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Q: What does X equal in 3x plus 3 equals 9?

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4x + 5 = 3x + 84x-3x + 5 - 5 = 3x - 3x + 8 -5x = 3

Both equations are equal and so: 3x+1 = 2x+3 3x-2x = 3-1 x = 2 and by substituting y = 7

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

x works out as 5/3

my head hurts now u bich

y equals 3x plus 3 is slope intercept form.

x = 0

Since x = -3, then 3x = -9 therefore; -9 + 7 = -2 _____________________________________________________________________ 3x+7=-3 so -3-7=-10 so 3x has to equal -10. so 3 x -3.333...=-10 Answer: -3.3333....

No. they are parallel, since the slopes are both equal in this case 3. To be perpendicular the product of the slopes of both lines is equal to -1 (i.e., m1*m2 = -1).

Multiply the first equation by 3 to give 9x + 15y = 21

x2 plus 3x plus 3 is equals to 0 can be solved by getting the roots.

50, 53, 59

Well if 3x+9=5 x=? Well you minus 9 from the side and then do 5-9 and that equals -4. Then you have to do -4 divided by 3. Which equals -1 so I believe x will equal -1.

First of all, if 'x' is 3, then 'x' doesn't equal -3x+3 . You must mean y = -3x + 3.If x=3, then (-3x + 3) = -6 .The graph is the point (3, -6) .

x = 7 and 2/3

(1, 0)

(1, 1)

(4, -1)

(-1, 0)

The slope equals 3

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

No, the two lines are not perpendicular.

3x+14 = 23 so 3x = 9 and so x = 9/3 = 3

3

The answer is -7