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Solving for a Variable

Special Cases

Example 11

Solve 6x + 5 - 2x = 4 + 4x + 1

Step 1. Combine like terms that are on the same side of the equation.

Solve_ex11_1

Step 2. From the resulting equation, subtract 4x from both sides.

Solve_ex11_2

Since 5 = 5 is a true statement, all real numbers are solutions.