Solve (12-6+9)×(7+3): Order of Operations Practice

(12−6+9)×(7+3)= (12-6+9)\times(7+3)= ?

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Step-by-step video solution

Watch the teacher solve the problem with clear explanations
00:00 Parentheses precede all other operations, so we'll start with them
00:06 Solve the operations within the parentheses according to order of operations
00:16 We're left with a simple multiplication problem
00:19 That's the solution!

Step-by-step written solution

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1

Understand the problem

(12−6+9)×(7+3)= (12-6+9)\times(7+3)= ?

2

Step-by-step solution

According to the order of operations, we will first solve the expressions in parentheses and then multiply:

(12−6+9)=(6+9)=15 (12-6+9)=(6+9)=15

(7+3)=10 (7+3)=10

Then solve the multiplication exercise:

15×10=150 15\times10=150

3

Final Answer

150 150

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\( 100+5-100+5 \)

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