Solve (90-15-3)÷8: Step-by-Step Expression Evaluation

90−15−38= \frac{90-15-3}{8}=

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Step-by-step video solution

Watch the teacher solve the problem with clear explanations
00:00 Solve the following expression
00:04 Calculate the numerator and then proceed to divide
00:08 Solve the expression according to the proper order of operations from left to right
00:13 Each time we must calculate one operation and then continue
00:24 Break down 72 into factors 9 and 8
00:27 Reduce wherever possible
00:30 Here is the solution

Step-by-step written solution

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1

Understand the problem

90−15−38= \frac{90-15-3}{8}=

2

Step-by-step solution

Let's begin by solving the numerator of the fraction from left to right, according to the order of operations:

90−15=75 90-15=75

75−3=72 75-3=72

We should obtain the following exercise:

728=72:8=9 \frac{72}{8}=72:8=9

3

Final Answer

9 9

Practice Quiz

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\( 100+5-100+5 \)

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