What is x if -\frac{3}{4}(x+2)=-1?

Zain Padilla 2022-02-04 Answered
What is x if 34(x+2)=1?
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Expert Answer

taibidzhl
Answered 2022-02-05 Author has 17 answers
Basically here you want the value of x that makes the left side equal to the right. You could try to guess but is complicated...
You can try instead to isolate x on one side (the left, for example) and "read" the result.
Remember that everything that passes through the equal sign has to change sign!
If it was a sum it becomes a subtraction;
if it was a multiplication it becomes a division...and vice versa;
In your case:
34 is multiplying the bracket, so it goes to the right as a division:
(x+2)=134
the 2 is a sum so it goes to the right as a subtraction:
x=1342 now we can rearrange to simplify a bit the right side and write:
x=1(43)2
x=432
x=463=23
You can now try to substitute this value of x into your original equation to see if it satisfies it
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