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Q: 3x plus 7 when x equals -3?

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if 3x+7 = 3 then 3x = 3-7 3x = -4 then, x = -4/3

3x+7=37 -7 -7 3x=30 /3 /3 x=10

3x + 4= 7 3x= 7-4 3x/3 = 3/3 x=1

3x + 7 = 3(-3) + 7= -9 + 7= -2

7x = 3 x = 3/7

The answer is -7

If: 3x-7+x = 5 Then: x = 3

If: -3x+2 = -7 Then: x = 3

x = 7 and 2/3

(1, 1)

3x plus 9 equals what?

x=-3

x = 1/3

x = -7

-3/7

x+7=3x+3 4=2x 4/2=2 x=2

4x plus 7 plus 3x equals 19 plus xx = 2

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

(3, -4)

3x+4 = 2x-3 3x-2x = -3-4 x = -7

3x+7=5x-13 ----> 3x-5x=-13-7 ----> -2x=-6 -----> x=3

3x + 7 = 6x - 2 Rearranging gives 6x - 3x = 7 + 2 3x = 9 x = 3

3x+7=4x 7=4x-3x 7=x

x=4

-3x + 2 = -7 - 2 -2 -3x = -9 so x = 3