0
f(x)=5x, g(x)=3x-7
gf(x)= = g(f(x)) = g(5x) = 3*(5x) - 7 = 15x-7
So gf(4) = 15*4-7=53
Wiki User
∙ 12y ago
Add your answer:
Earn +20 pts
6-3x equals 5x-10x plus 10?
6-3x = 5x-10x+10 6-3x = -5x+10 -3x+5x = 10-6 2x = 4 x = 2
What equals to 4x 5x 3x?
If you're adding them, that equals 12x
3x plus 5x equals 34?
3x + 5x = 348x = 34x = 34/8x = 17/4 orx = 4.25
What is 5x plus 7 plus 3x equals 39?
8x = 32 so x = 4
What is the discriminate of 3x squared minus 5x plus 4 equals 0?
The discriminant b2-4ac is -23
What is answer to 5x-4 equals 3x plus 6 equals?
5x - 4 = 3x + 6 5x - 3x = 6 + 4 2x = 10 x = 5
3x plus 4 equals 5x minus 6 solve for x?
3x+4 = 5x-6 3x-5x = -6-4 -2x = -10 x = 5
Solve 3x plus 2x equals -4?
3x + 2x = 5x. 5x= (-4) X = (-4)/5 x= -0.8
How do you solve 5X plus 2 equals 3X-6?
5x+2 = 3x-6 5x-3x = -6-2 2x = -8 x = -4
What is 5x plus 3 equals 3x plus 11?
5x+3 = 3x+11 5x-3x = 11-3 2x = 8 x = 4
Is 7 a solution of the equation 3x plus 8-x equals 5x-4?
If: 3x+8-x = 5x-4 Then: x = 4
6-3x equals 5x-10x plus 10?
6-3x = 5x-10x+10 6-3x = -5x+10 -3x+5x = 10-6 2x = 4 x = 2
3x plus 4 equals 5x-6 solve for x?
3x + 4 = 5x - 6 -3x -3x 4 = 2x - 6 +6 +6 10 = 2x 5 = x
What equals to 4x 5x 3x?
If you're adding them, that equals 12x
5x-4 equals 3x-24?
x = -10
How do you solve 3x-4 equals 5x plus 6?
3x-4=5x+6 gives: 2x=-10 which gives x=-5
3x plus 5x equals 34?
3x + 5x = 348x = 34x = 34/8x = 17/4 orx = 4.25
