PLEASE HELP!!

Mathematics

2 answers:

ruslelena [56]4 years ago

8 0

I'm sure your answer would be 21

trapecia [35]4 years ago

6 0

First, solve for x. Isolate the x. Do the opposite of PEMDAS.

2x + 4 = 8

Note the equal sign. What you do to one side, you do to the other.

subtract 4 from both sides

2x + 4 (-4) = 8 (-4)

2x = 8 - 4

2x = 4

divide 2 from both sides

2x/2 = 4/2

x = 4/2

x = 2

you know you're starting number now: 2

"then add it to two": 2 + 2 = 4
"then add it to ten": 4 + 10 = 14
"then subtract three": 14 - 3 = 11
"then add ten": 11 + 10 = 21

21 is your final answer

hope this helps

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