WHAT IS THE EQUATION OF TWICE A NUMBER WHEN ADDED TO 7 GIVES 20
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WHAT IS THE EQUATION OF TWICE A NUMBER WHEN ADDED TO 7 GIVES 20
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Step-by-step explanation:
2x+7=49
2x=49−7
2x=42
x=21
So, the number is 21.
Answer:
13 + 7 = 20
13 is answer
twice of a number added to 7 = 20
so 13/2 = 6.5
check
6.5 X 2 = 13
13 + 7 = 20