Sum
Solve the following equation.
3x + 12 = 2x − 4\
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Solution
3x + 12 = 2x − 4
Subtracting 12 from both sides
⇒ 3x + 12 - 12 = 2x - 4 - 12
⇒ 3x = 2x -16
Subtracting 2x from both sides
⇒ 3x - 2x = 2x - 16 - 2x
⇒ x = -16
Hence, x = −16 is the solution of the equation.\
Concept: Solution of Equations in One Variable
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