SOLUTION: Solve the equation. 7(x + 3) = 7x + 21

Question 600896: Solve the equation. 7(x + 3) = 7x + 21
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
Start with the given equation.

Distribute.

Subtract from both sides.

Subtract from both sides.

Combine like terms on the left side.

Combine like terms on the right side.

Simplify.

Since this equation is always true for any x value, this means x can equal any number. So there are an infinite number of solutions.

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