3 years ago

What is 18+ (8+4-9)= Please show step by step

Mathematics

2 answers:

8_murik_8 [283]3 years ago

5 0

Answer: 21

Reasoning:

nataly862011 [7]3 years ago

3 0

Answer:

Step-by-step explanation:

PEMDAS

P- Parantheses

E- Exponents

M- Multiplication

D- Division

A- Addition

S- Subtraction

-------------------------

First in Pemdas is parantheses , so you add the 8+4 first because Addition is before subtraction. Which is three, next is 3+18. Which is 21.

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