2x-5=49
move -5 to the other side
sign changes from -5 to +5
2x-5+5= 49+5
2x=49+5
2x= 54
divide both sides by 2 to get x by itself
2x/2= 54/2
cross out 2 and 2, divide by 2 and then becomes 1*1*x=x
54/2= x
Answer:
x= 27
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