Consider the equation below. -3(4x-7) = 15 -2x the equation was solved using the following steps. step 1: -12x + 21 = 15 - 2x step 2: -10x + 21 = 15 step 3: -10x = -6 step 4: x = -6/-10 step 5: x = 3/5 complete the statements below with the process used to achieve steps 1-4. step 1: -3 to 4x and -7 step 2: 2x step 3: 21 step 4: -10 options: divide, subtract, distribute, add, multiply by,

Step 1: Multiply by -3 to 4x and -7

Step 2: Add 2x

Step 3: Subtract 21

Step 4: Divide by -10                  

Step-by-step explanation:

Given the equation

The solution is

Step 1: -12x + 21 = 15 - 2x

step 2: -10x + 21 = 15

step 3: -10x = -6

step 4:

step 5:

we have to complete the statements with the process used to achieve steps 1-4.

First opening the brackets by applying distributive property i.e by multiplying

Step 1: Multiply by -3 to 4x and -7

We get -12x + 21 = 15 - 2x

Step 2: Add 2x

⇒  -10x + 21 = 15

Step 3: Subtract 21

-10x = -6

Step 4: Divide by -10

add all the numbers and check the ones place.

the answer is 486. as the ones place is more than 4, the estimation will be the next 10 ie, 490

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