what is the solution to this equation? 2x + 3 = x - 4

Explanation:

Step1: Move x - terms to one side

Subtract x from both sides: $2x - x+3=x - x - 4$.

Step2: Simplify the equation

$x + 3=-4$.

Step3: Solve for x

Subtract 3 from both sides: $x=-4 - 3$.

Answer:

$x=-7$