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16 votes
7 - 2x = 2(x - 4) - 1 solve

User Kristel
by
8.1k points

2 Answers

11 votes

Answer:

Explanation:

Here you go mate

→Use PEMDAS

Parenthesis,Exponent,Multiplication,Division,Addition,Subtraction

→Step 1

7-2x=2(x-4)-1 Equation/Question

→Step 2

7-2x=2(x-4)-1 Remove parenthesis

7-2x=2x-9

→Step 3

7-2x=2x-9 Subtract 7

-2x=2x-16

→Step 4

-2x=2x-16 Simplify

-4x=-16

→Step 5

-4x=-16 Divide sides by -4

4

→Answer

∴your answer is x=4

  • Hope this helped
User Webnoob
by
8.8k points
11 votes

Answer:

x = 4

Explanation:

expand out the brackets to get 7 - 2x = 2x - 8 - 1

we can then add 2x to both sides to get 7 = 4x - 8 - 1

add 9 to both sides to get 16 = 4x

divide both sides by 4 to get x = 4

hope that helps

User John Kalberer
by
7.8k points

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