SOLUTION: I need your to solve these problem: 1. X/2-8=7 2. 2/3x-6=11 3. 0.2(x+3)+3=.05x 4. 1/2(2x-4)=3/4(4x+16) What are the formula?

Question 835810: I need your to solve these problem:
1. X/2-8=7
2. 2/3x-6=11
3. 0.2(x+3)+3=.05x
4. 1/2(2x-4)=3/4(4x+16)
What are the formula?
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
There are no formulas, use the rules of arithmetic.
I'll do one and you do the same.
Move the knowns to one side, unknowns to the other.
Use additive and multiplicative inverses, distributive and commutative properties
Add to both sides (additive inverse).

Multiply both sides by (multiplicative inverse)

Then check your answer in the original equation.

True, right answer.

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