3 years ago

Help I really need the answer to this.

Mathematics

2 answers:

JulijaS [17]3 years ago

8 0

It’s either b or c

It either of those.

Anna35 [415]3 years ago

4 0

Answer:

Step-by-step explanation:

The sides are congruent so you can write the equation (4x+9)=21.

Now you subtract 9 from 21 and you get 4x=12.

All you gotta do now is divide and you get x=3.

Hope this helps!:)

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Help I really need the answer to this.​

Help I really need the answer to this.