3x-4=8
solve for x and show​

First add 4 on both sides to cancel it out.

Now you should have 3x=12.

Then divide 3 from both sides.

Now you have x=4.

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hope it helps

step-by-step explanation:

δabc ≅ δdcb by sas because

db ≅ ac . . given (side)

bc ≅ bc . . reflexive property (side)

∠dbc ≅ ∠ acb . . alternate interior angles where transversal bc crosses parallel lines bd and ac (included angle)