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tino4ka555 [31]
3 years ago
8

Find the equivalent expression 9 ( 2a + 1

Mathematics
2 answers:
aivan3 [116]3 years ago
8 0

Answer:

Equivalent expression of 9(2a+1) is, 18a+9

Step-by-step explanation:

The distributive property says that:

a \cdot (b+c) = a\cdot b + a\cdot c

Given the expression: 9(2a+1)

Apply the distributive property:

9 \cdot (2a) +9 \cdot 1

Simplify:

18a+9

Therefore, the equivalent expression of 9(2a+1) is, 18a+9

Slav-nsk [51]3 years ago
5 0

The equivalent expression of 9\left( {2a + 1} \right) is \boxed{18a + 9}.

Further explanation:

The associative property is defined as a grouping of multiplication, addition, subtraction and division.

Always use the PEDMAS rule to solve the grouping of multiplication, addition, subtraction and division.

Here, P is parenthesis, E is exponents, M is multiplication, D is division, A is addition and S is subtraction.

Given:

The expression is 9\left( {2a + 1} \right).

Explanation:

The distributive property can be expressed as follows,

\boxed{x \cdot \left( {y + z} \right) = x \cdot y + x \cdot z}

The given expression is 9\left( {2a + 1} \right).

Simplify the expression 9\left( {2a + 1} \right) to obtain the equivalent expression.

\begin{aligned}A&= 9\left( {2a + 1} \right)\\&= 9 \cdot 2a + 9 \cdot 1\\&= 18a + 9\\\end{aligned}

The equivalent expression of 9\left( {2a + 1} \right) is \boxed{18a + 9}.

Learn more:

1. Learn more about line segment brainly.com/question/909890.

2. Learn more about equation of circle brainly.com/question/1506955.

3. Learn more about coplanar and noncollinearhttps://brainly.com/question/4165000.

Answer details:

Grade: Middle School

Subject: Mathematics

Chapter: Number System

Keywords: expression, equivalent, one below, 9(2a+1), exponents, addition, powers, associative property, distributive property.

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