Mathematics for IGCSE & O level - Algebraic Manipulation (Section 8 - No. 28)
What is the next step in simplifying 3x + 5x - 2x?
Add 3x and 5x and then subtract 2x
Subtract 2x from 5x, then add 3x
Add 3, 5, and -2 and multiply that number by x
Add all coefficients and keep the x
解释
To simplify an algebraic expression, combine the like terms by performing the indicated operations on their coefficients. In this case, you add 3, 5, and -2, and keep x.