How do you simplify #-1+ 10( 7a + 2) - 4a#?

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Answer 1 · 2017-07-21T21:53:28

#66a +19#

Parentheses
Exponents
Multiplication
Division
Addition
Subtraction

#-1+10(7a+2)-4a#

First things first, we need to get rid of those parentheses, using distributive property

#-1+70a+20-4a#

Now we need to combine like-terms

#color(blue)(-1)+color(red)(70a)+color(blue)(20)+color(red)(-4a)#

#19+66a#

#66a +19#