Question

Five times the difference of twice a number and nine is negative twenty-five

Answer 1

Let x = the number
5(2x - 9) = -25
Simplifying this...
10x - 45 = -25
+45 +45
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10x = 20
/10 /10
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x = 2
WHAT YOU DO TO ONE SIDE OF THE EQUATION, YOU MUST DO TO THE OTHER SIDE.
Hope I helped ;)

Answer 2

i see were i went wrong i put + 45 instead of -45

Answer 3

yes u did thank u

Answer 4

Your welcome, If I helped you, would you mind awarding me with a medal? thanks.