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Q: If x equals 4 then 6 plus 2x equals?

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2x + 4 = 10 2x = 10 - 4 = 6 2x = 6 x = 6/2 = 3

2x+2=x+6 first subtract 2x. -2x -2x2=-1x+6 then subtract 6-6 -6-4=-1x finally divide by -1x=4 X equals four.

5 - 2x = 8 x = -1 and 1/2 4x = 6 x = 6/4 or 3/2

2x+4 = -16 2x = -16-4 2x = -20 x = -10

4+2x-2x+1=13+6 Combine like terms. (4+1=5; 2x-2x=0; 13+6=19) 5=19 This problem has no solution.

x=1

x=4

(4 + 2x) - (-2x + 1) = 13 + 6 4 + 2x + 2x -1 = 19 4x +3 = 19 4x = 19 - 3 4x = 16 therefore x = 16/4 x = 4

x = 2y = 4

3x + 4 = x + 6 2x + 4 = 6 2x = 2 x = 1 Check it. 3 + 4 = 1 + 6 It checks.

-2(5x+3)-2x<-3(2x-4)+2

y=x+5

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