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Twice the difference of a number and 1 is 4 more than that number. Find the numbers using Polyas 4 step

User Nnm
by
5.4k points

1 Answer

3 votes

Answer:

6

Explanation:

2 times the difference of a number and 1 = 4 plus that number

In other to express the word problem Mathematically ; let the number = x

2(x - 1) = 4 + x

Expand

2x - 2 = 4 + x

Collect like terms

2x - x = 4 + 2

x = 6

Hence, the number is 6

User Raghvender Kataria
by
6.9k points
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