To solve the equation 3(x – 7) – x = 2x – 21, we can start by distributing the 3 to the terms inside the parentheses:
3x - 21 - x = 2x - 21
Next, we combine like terms on both sides of the equation:
2x - 21 = 2x - 21
Now, subtract 2x from both sides:
-21 = -21
The equation simplifies to -21 = -21, which is always true.
Therefore, the equation has infinitely many solutions.
Solve the following equation.
3(x – 7) – x = 2x – 21
(1 point)
Responses
7
7
–2
–2
infinitely many solutions
infinitely many solutions
no solution
1 answer