Question

(−0.75x − 7) − (7.5x + 5.4) simplified

Answer 1

`-0.75x-7-7.5x-5.4=-8.25x-12.4`

Explanation:

Given the expression

`\left(-0.75x-7\right)-\left(7.5x+5.4\right)`

Remove parentheses: (-a) = -a

`=-0.75x-7-\left(7.5x+5.4\right)`

As we know that: - (7.5x + 5.4) = -7.5 - 5.4

`=-0.75x-7-7.5x-5.4`

Group like terms

`=-0.75x-7.5x-7-5.4`

Add similar elements: -0.75x - 7.5x = -8.25x

`=-8.25x-7-5.4`

Subtract the numbers: -7 - 5.4 = -12.4

`=-8.25x-12.4`

Therefore, we conclude that:

`-0.75x-7-7.5x-5.4=-8.25x-12.4`