Question

The sum of 7x+4 and 3x-1 is ________

Answer 1

Answer:

$[/tex] <strong>The </strong><strong>sum </strong><strong>of </strong><strong>7</strong><strong>x</strong><strong> </strong><strong>+</strong><strong> </strong><strong>4</strong><strong> </strong><strong>and </strong><strong>3</strong><strong>x</strong><strong> </strong><strong>-</strong><strong>1</strong><strong> </strong><strong>is </strong><strong>_</strong><strong>_</strong><strong>_</strong><strong>_</strong><strong>_</strong><strong>_</strong><strong>_</strong><strong>_</strong><strong>_</strong><strong>_</strong><strong>.</strong><strong> </strong></p><p>First we have to arrange them serially according to their variables - </p><p>So, </p><p>[tex](7x + 4) + (3x - 1) \\ 7x + 3x + 4 - 1(arranging \: all \: the \: variables \: of \: x \: and \: numbes \: separately) \\ 10x + 3 \\ 10x + 3$

So the sum of 7x+4 and 3x-1 is 10x+3.

Answer 2

$\huge\underline\mathtt\green{Answer}$

$7x + 4 + (3x - 1) \\ 7x + 4 + 3x - 1 \\ 7x + 3x + 4 - 1 \\ 10x + 3$