Question

Twice the sum of a number and 3 is the same as five times the number, minus 1, minus four times the number. Find the number

Answer 1

Read it from left to right, then turn the English into algebra.

"Twice..."

That means 2 times something

"...the sum of a number and 3..."

If we let x be our mystery number, then this gives us 2(x+3)

"is the same as..."

That means it's equal to.

"5 times the number..."

That means 5x.

"...minus 4 times the number"

That means minus 4x.

Put it all together and you get:

2(x+3) = 5x - 4x

Solve this equation for x.

Hoped I Helped

Answer 2

-7

Explanation:

Let x be the number.

`2(x + 3) = 5x - 1 - 4x`

`2x + 6 = 5x - 1 - 4x`

`2x + 6 = x - 1`

`x + 6 = - 1`

`x = - 7`