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7 plus 2 is 9. 9 plus 8 is 17. 17 plus 3 is 20.

Q: How do you solve this 7 plus 2 plus 8 plus 3?

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Solve for x. 3x + 3 = x + 7 2x + 3 = 7 2x = 4 x = 2 Check it. 6 + 3 = 2 + 7 It checks.

n= -2

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

(7)-(-3)+(16)-(8) = 18

5+4x-7 = 4x+3-x 4x-2 = 3x+3 4x-3x = 3+2 x = 5

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Solve for x. 3x + 3 = x + 7 2x + 3 = 7 2x = 4 x = 2 Check it. 6 + 3 = 2 + 7 It checks.

x=-2

n= -2

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

(7)-(-3)+(16)-(8) = 18

5+4x-7 = 4x+3-x 4x-2 = 3x+3 4x-3x = 3+2 x = 5

4x - 3 - 5x + 7 = 6 4x - 5x = 3 - 7 + 6 -1x = 2 x = -2

you need to find the value of X first before you can solve this equation

If you mean: 3+5x+7 = 70 then the value of x is 12

(3x - 7)(2x + 9) = 0 x = 7/3 or -9/2

-3+x=7. x=10

u = 7 + 2 + (4 - 5) = 9 + (-1) = 8