How do you find the sum of $7 b + 3$ $7b + 3$ , $- 4 b + 5$ $-4b + 5$ , and $- 3 b + 2$ $-3b + 2$ ?

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Answer 1 · 2015-06-24T14:54:22

$= 10$ $=color(green)( 10$

$7 b + 3 + (- 4 b + 5) + (- 3 b + 2)$ $7b+3 + (-4b+5) + (-3b+2)$

grouping like terms
$(7 b - 4 b - 3 b) + (3 + 5 + 2)$ $color(green)((7b - 4b - 3b)) +(3 +5 +2)$
$= 0 + 10$ $= 0 + 10$
$= 10$ $=color(green)( 10$

How do you find the sum of 7b+37b + 3, −4b+5-4b + 5, and −3b+2-3b + 2 ?