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3 years ago

PLEASE HELP

Mathematics

1 answer:

salantis [7]3 years ago

3 0

9514 1404 393

Answer:

3 was subtracted
both sides were divided by 3
both sides were multiplied by -3
both sides were divided by -3

Step-by-step explanation:

It looks like you have four different equations here.

As a rule, each step in the solution involves one of the properties of equality: addition, subtraction, multiplication, or division. These properties let you do the same thing (one of these operations) to both sides of the equation.

1. 10 − 6 x = 4 + 5x

7 -6x = 1 +5x . . . . 3 was subtracted from both sides*

2. 3 ( 4 x − 3 ) = − 15

4x -3 = -5 . . . . . both sides were divided by 3

3. 5x/-3=12/1

5x=-36 . . . . both sides were multiplied by -3

4. −3 ( 4 x − 3 ) = − 15

4x -3 = 5 . . . . both sides were divided by -3

_____

* For this equation it would have been more useful to subtract 4 to get ...

6 -6x = 5x

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3 years ago

Please help thanks so much

Katarina [22]

Answer:

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Step-by-step explanation

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