SOLUTION: this figure must be a parallelogram and I have to prove that 4x + 20 = x + 26. I don't understand how to do the algebra.

Question 276265: this figure must be a parallelogram and I have to prove that 4x + 20 = x + 26.
I don't understand how to do the algebra.
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
For more help with solving linear equations, check out this linear equation solver.

Solved by pluggable solver: Linear Equation Solver

Start with the given equation.

Subtract from both sides.

Subtract from both sides.

Combine like terms on the left side.

Combine like terms on the right side.

Divide both sides by to isolate .

Reduce.

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Answer:

So the solution is

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