Solve the Arithmetic Equation: 90 - 2 + 9 - 8

90−2+9−8= ? 90-2+9-8=\text{ ?}

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Step-by-step video solution

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00:00 Solve the following expression
00:03 Proceed using the correct order of operations, from left to right
00:07 Each time solve one operation and then continue
00:12 Given that all operations are only addition/subtraction
00:16 We'll use the commutative law and solve this operation first
00:26 This is the solution

Step-by-step written solution

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1

Understand the problem

90−2+9−8= ? 90-2+9-8=\text{ ?}

2

Step-by-step solution

According to the order of operations, we will solve the exercise from left to right since the only operations in it are addition and subtraction:

90−2=88 90-2=88

88+9=97 88+9=97

97−8=89 97-8=89

3

Final Answer

89

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\( 8 - 2 + 6 = \)

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