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Goshia [24]
2 years ago
11

Evaluate the following expressions: 1. 5(a+2b)-3b

Mathematics
2 answers:
Dominik [7]2 years ago
7 0

Answer:

  • \boxed{\sf{5a+7b}}

Step-by-step explanation:

\boxed{\underline{\text{Distributive property}}}

<u>Given:</u>

In this question, I'm asking about the distributive property.

Distributive property is each term within the parentheses can be multiplied by a factor outside the parentheses.

For any real numbers a, b, and c.

<u>Note:</u>

⇒ A(B+C)=AB+AC

⇒ A(B-C)=AB-AC

<u>Solutions:</u>

<h3>5(a+2b)-3b</h3>

<u>Multiply by expand first.</u>

\Longrightarrow: \sf{5(a+2b)}

\Longrightarrow: \sf{5*a=5a}\\\\\Longrightarrow: \sf{5*2b=10b}

<u>Rewrite the equation problem down.</u>

5a+10b-3b

<u>Solve.</u>

<u />

<u>Subtract.</u>

10b-3b=7b

\Longrightarrow: \boxed{\sf{5a+7b}}

  • <u>Therefore, the final answer is 5a+7b.</u>

I hope this helps, let me know if you have any questions.

Alika [10]2 years ago
4 0

Answer:

=5a+7b

Step-by-step explanation:

Expand: 5(a + 2b): 5a + 10b
=5a+10b-3b
<em>Add similar elements: 10b-3b=7b
</em>=5a +7b

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