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You seem to be unaware of the fact that you could have obtained the answer much more easily and quickly by using the calculator that comes as part of your computer.

The answer is -12.

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If you meant (-7 x 4) - (2 x -8) then the answer is (-28) - (-16) = -28 + 16 = -12

Q: What is the answer to (-7x 4)-(2x-8)?

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42 x 8 = (40 x 8) + (2 x 8) = 320 + 16 = 336

-7x + 5 = -9 -7x = -14 7x = 14 x = 2

3/7x + 5 = 87x(3/7x + 5) = 8(7x)3(7x/7x) + (7x)(5) = 8(7x)3 + 35x = 56x3 + 35x - 35x = 56x - 35x3 = 21x3/21 = 21x/211/7 = x

7x-6w = 1

4x-7x = -3

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6x7=42 42x8=336 That is your answer, I hope I helped! ;)

42*8 is the same as 21*16 which is the same as 336.

7x^3. That is 7x cubed.... or 7x*7x*7x (where * means multiply). You should get 343x

1

(7x - 4)(7x + 4).

42 x 8 = (40 x 8) + (2 x 8) = 320 + 16 = 336

-7x + 6 + 7x - 2 = 4

7x=42x=42/7x=6

None. 7x - 1 is not equal to 7x - 7.

-7x + 5 = -9 -7x = -14 7x = 14 x = 2

3/7x + 5 = 87x(3/7x + 5) = 8(7x)3(7x/7x) + (7x)(5) = 8(7x)3 + 35x = 56x3 + 35x - 35x = 56x - 35x3 = 21x3/21 = 21x/211/7 = x

The area of square is : 49.0