SOLUTION: WRITE THE SYMBOLS THAT DISCRIBE THE FOLLOWING SENTNCES AND SOLVE. twice the quantity of a number increased by four is the same as negative twenty. five squared increased

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Question 231295: WRITE THE SYMBOLS THAT DISCRIBE THE FOLLOWING SENTNCES AND SOLVE.
twice the quantity of a number increased by four is the same as negative twenty.


five squared increased by seven is equivalent to the product of a number and four.

Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
2x+4=-20
2x=16
x=8
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5^2+7=4x
25+7=4x
32=4x
x=8