How Does 10 4 Help You Solve 30 4?

You can solve the math problem 4x+10=30 easily by rearranging an equation. To get the new value for x, subtract the answer from the equation. Then, add the answer back to the equation, and you have the correct answer. This lesson will teach you how to use place value in solving problems. You will also learn how to add and subtract within multiples of ten.