why is the first step when solving 2x-15=4x=3 to combine like terms

1 answer

The first step when solving an equation like 2x - 15 = 4x + 3 is to combine like terms on each side of the equation.

This means simplifying each side by adding or subtracting terms that are similar. In this case, on the left side of the equation, the terms 2x and -15 are the only like terms.

By combining them, we have 2x - 15. Similarly, on the right side of the equation, the terms 4x and 3 are the like terms, which can be combined to get 4x + 3.

After combining like terms on both sides, the equation becomes 2x - 15 = 4x + 3, making it easier to solve for the variable x.
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