Question

Find the difference:
(2x + 7) - 3(5x - 4)

Answer 1

-13x+19

Explanation:

`(2x + 7) - 3(5x - 4)\\\\\mathrm{Remove\:parentheses}:\quad \left(a\right)=a\\=2x+7-3\left(5x-4\right)\\\\Expand\: ;\: -3(5x-4)\: : -15x +12\\\\=2x+7-15x+12\\\\Simplify\\\\=-13x+19`