If 7x=497x=49, what is xx?

8 votes

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asked 08-Dec-2017 in Math by Manish Kumar

If 7x=497x=49, what is xx?

1 Answer

2 votes

answered 08-Dec-2017 by Pawan Shukla

Simplifying

7 + -1x = 49 + -1x

Add 'x' to each side of the equation.

7 + -1x + x = 49 + -1x + x

Combine like terms: -1x + x = 0

7 + 0 = 49 + -1x + x

7 = 49 + -1x + x

Combine like terms: -1x + x = 0

7 = 49 + 0

7 = 49

Solving

7 = 49

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