3 years ago

Simplify each algebraic expression. 2a +3(a +7)–(3a +3)

Mathematics

1 answer:

erica [24]3 years ago

6 0

Answer:

Step-by-step explanation:

$2a +3(a +7)-(3a +3)\\\\Expand\: 3(a +7) :\\3a+21\\\\=2a+3a+21-\left(3a+3\right)\\\\-(3a+3)=-3a-3\\\\=2a+3a+21-3a-3\\\\Simplify\\\\=2a+18$

You might be interested in

EXPERT HELP I'LL GIVE BRAINLIEST:

polet [3.4K]

Answer:

Step-by-step explanation:

Getting info from multiple places is better

7 0

3 years ago

PLEASE HELP ME OUT :) <br> A LOT OF POINTS!!!!

Xelga [282]

Answer:

Step-by-step explanation:

The reason is, you want to set the equation to be greater than or equal to 60 paint brushes, and you already have 22 so you add that. :D

7 0

3 years ago

What is -2<img src="https://tex.z-dn.net/?f=%5Cfrac%7B1%7D%7B2%7D" id="TexFormula1" title="\frac{1}{2}" alt="\frac{1}{2}" align=

dolphi86 [110]

well, you already know how to convert from mixed to improper, so let's simply do the division.

$\bf -2\frac{1}{2}\div 6\implies -\cfrac{5}{2}\div 6\implies \cfrac{-5}{2}\div \cfrac{6}{1}\implies \cfrac{-5}{2}\cdot \cfrac{1}{6}\implies -\cfrac{5}{12}$

7 0

3 years ago

Write the English phrase as an algebraic expression. Then simplify the expression. Let x represent the number.

max2010maxim [7]

7(-6x)

its been a long time since ive done something like this lol

3 0

3 years ago

Identify the polynomial.

Leona [35]

Answer:

Binomial

Step-by-step explanation:

P = a² + bcd³

The polynomial contains two terms, so it is a binomial.

6 0

3 years ago

Read 2 more answers