2x + 8 = 22
The answer is what number 'x' must be. Here's one way to find out:
Subtract 8 from each side : 2x = 14
Divide each side by 2 : x = 7
That's the only possible number that 'x' can be. If 'x' is any other number, then 2x+8 is not 22 .
22= 2x=8
subtract 8 from both sides
14=2x
divide both sides by 2
7=x
To solve the equation 2 x + 8 = 22 , first subtract 8 from both sides to get 2 x = 14 , then divide both sides by 2 to find x = 7 . This solution can be confirmed by substituting back into the original equation. Therefore, the answer is x = 7 .
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