Mika used these steps to solve the equation 5x – 12 = -2 + 5(x – 2). Which choice describes the meaning of her result, -12 = -12?
The result is not correct because the solution should be a positive integer.
The solution is x = -12.
No values of x make the equation true.
All values of x make the equation true.
Mika used these steps to solve the equation 5x – 12 = -2 + 5(x – 2). Which choice describes the meaning of her result, -12 = -12?
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The correct choice is: All values of x make the equation true.
Explanation: The equation simplifies to -12 = -12, which is always true regardless of the value of x. This indicates that the original equation is an identity, meaning that any value of x will satisfy the equation.