Seudónimo Seudónimo

30-10-2021
Mathematics

contestada

expression: 7 - 3(4 - 2x) - 10x
step 1: 7 - 3(4 - 2x) - 10x
step 2: 4(4 - 2x) - 10x
explain why step 2 is wrong

Respuesta :

mathgeek1233 mathgeek1233

30-10-2021

Answer:

Because first you need to multiply each number/variable with 3, parenthesis always go first.

3(4-2x) = 12 - 6x

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