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Q: 2x plus y equals 7 x plus y equals 4?

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If x=4 then 2x+7 =

2x + 7 + 2x = 23 4x + 7 = 23 4x = 16 x = 16/4 x = 4

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

If: 2x+6x-4 = 52 Then: x = 7

x = -7

2x+3-7=0 2x=4 x=2

2x = -7 - 8y

The slope of the line of 2x plus 2y equals 7 is (7/2x - 1).

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

{-4,-5}

7

x=4

8x-7 plus 2x equals 6 plus 5x plus 2?

X=7

x+7 = 2x 2x = x+7 2x-x = 7 x = 7

X=-7

x = 7

8x - 4x + 7 = 94x + 7 = 94x = 9-74x = 2x = 4/2x = 1/2x = 0.5

8 - 10 + 7 = 5 x = 4

-7 +2x = x + 8 2x - x = 7 + 8 x = 15

2x + 7 = 11 - 2x add 2x to both sides 4x + 7 = 11 subtract 7 from both sides 4x = 4 divide both sides by 4 x = 1

6x - 8 + 2x - 5 = 7 - 2x ?

no x would be 0.5 because two times 0.5 is 1 ( 2x ) and then add 7 equals 8 ( plus seven equals 8 )

(2x - 10) + 7 = 52x - 3 = 52x = 8x = 4

Subtract 7 from each side of the equation: 2x = 8 Divide by 2: x = 4