Answer: 4
Step-by-step explanation:3(2x+10)=54
Multiply 3 to both numbers which would be 6x+30=54
Then, move 30 to the other side and that would be 6x=54-30
Subtract: 24 would be the answer
At last, you would divide 24 by 6
Just like this
x=24/6
Final answer would be
x=4