Mathematics: What is the justification for each step in the solution of the equation 3(2x + 7) - 4 = 53 - 3x? step 1: 3(2x + 7) - 4 = 53 - 3x step 2: 6x + 21 - 4 = 53 - 3x step 3: 6x + 17 = 53 - 3x step 4: 9x + 17 = 53 step 5: 9x = 36 step 6: x = 4

What is the justification for each step in the

Ответ:

jaxhat646

13.03.2022

Step 1 3(2x+7)-4=53-3x given
step 2 6x+21-4=53-3x expanding
step 3 6x+17=53-3x adding (21-4)
step 4 9x+17=53 adding 3x to both parts
step 5 9x=36 subtracting 17 from both sides
step 6 x=4 divding by 9

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Ответ:

danteyoungblood7

15.03.2020

Mathematics

459,107.64

Step-by-step explanation:

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What is the justification for each step in the solution of the equation 3(2x + 7) - 4 = 53 - 3x? step 1: 3(2x + 7) - 4 = 53 - 3x step 2: 6x + 21 - 4 = 53 - 3x step 3: 6x + 17 = 53 - 3x step 4: 9x + 17 = 53 step 5: 9x = 36 step 6: x = 4

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