Best Answer

The answer to the problem of 13 equals -4x plus 9 is x equals -1.

Q: 13 equals negative 4x plus 9?

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Related questions

4x+13 = 21 4x = 21-13 4x = 8 x = 2

4x = -36 x = -9

5x - 4x = 13 - 3 ie x = 10

8x+5=4x+13 4x=8 x=2 Therefore, your answer is 2.

Parallel, the slope of the second equation is 4

4x + 3 = 16 Therefore, 4x = 13 x = 13/4 Therefore, x = 3.25

Y- intercept of 4x+8y=16

X= -8

(2, 7)

x= Negative 4

4x + 7 = 6x -7 14=2x so x = 7 (plus a negative # is simply - that number)

3x - 12 = 10x - 15 - 6x -10 3x - 12 = 4x -25 3x + 13 = 4x 13 = 4x - 3x 13 = x None?