Q: How much is 25 X 5 -18?

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5x - 7=18 you add the seven to 18 and get 25 then you divide 25 by 5 to get x by itself and you will get 5 x=5

-3x + (-18) = 2x + 7 +18 +18 -3x = 2x +25 -2x -2x -5x = 25 ----- ----- -5 -5 x=-5 *------- equals a division line

the pairs are 1 x 25 5 x 5

2x + 52 = 7 2x + 25 = 7 2x = 7 - 25 2x = -18 x = -18/2 x = -9

25

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x-18=5 times -5 x-18=-25 x=-25+18 x=-7

5x - 7=18 you add the seven to 18 and get 25 then you divide 25 by 5 to get x by itself and you will get 5 x=5

x2 + 10x = 18 x2 + 2(5)x - 18 = 0 x2 + 2(5)x + 25 = 18 + 25 (x + 5) 2 = 43 x + 5 = 430.5 x=6.56(3sf)-5

3 x 25 5 x 15

I x=5 and y=2, then (5x5)=25 plus (9x2)=18. 25+18=43

.5 of 18 = 1/2 x 18 = 9

25 x 18 is 450.

5 x 5 = 25

-3x + (-18) = 2x + 7 +18 +18 -3x = 2x +25 -2x -2x -5x = 25 ----- ----- -5 -5 x=-5 *------- equals a division line

( x^2 - 25 ) = ( x + 5 ) ( x - 5 ) <--------------------------

(x^2 - 25)/(x + 5) = [(x - 5)(x + 5)]/(x + 5) = x - 5

Each side would be 5" long, A = SideA x SideB 5 x 5 = 25