Question

Find the sum: (7b -2) + (-4b + 5)

Answer 1

Answer:

$=3b+3$

Step-by-step explanation:

$\mathrm{Remove\:parentheses}:\quad \left(a\right)=a$, $=7b-2-4b+5$.

$\mathrm{Group\:like\:terms}$:

$=7b-4b-2+5$

$\mathrm{Add\:similar\:elements:}\:7b-4b=3b$

$=3b-2+5$

$\mathrm{Add/Subtract\:the\:numbers:}\:-2+5=3$

$=3b+3$