3 years ago

Write an equation and solve: Twice a number, increased by 3 is 7.

2 answers:

8 0

The unknown number canbe replaced with x. So twice a number is 2x and in creased by 3 is +3. so the equation would be 2x + 3= 7 and the unknow number, or x, is 2. 2 times two is 4 plus 3 = 7

ipn [44]3 years ago

7 0

2x+3=7
2x=4
x=2
The answer is A) 2

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