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Solve for the unknown: 4 - 3x = 3x - 16

Sagot :

4-3x=3x-16
Transpose 4 to the other side of equation.
-3x=3x-16-4(add -16-4) -3x=3x-20
Second divide both sides with -3, so the left of the equation have only x
-3x/-3=3x/-3 - 20/-3
x=-x+20/3
then transpose -x to the left. add them
x+x=20/3
2x=20/3
lastly, divide again both sides with 2.
2x/2=(20/3)/2
x=10/3  >> Answer

To check the answer substitute x with 10/3 to make it equal.

4-3(10/3)=3(10/3)-16
-6=-6 (Equal) [=)