Adding and subtracting equations with variables Flashcards

1

x + 15 = -11

2

A part of mathematics that deals with variables, symbols, and numbers

3

A symbol used to take the place of an unknown number is a

4

x - 9 = -7

5

y-4=-3 What is the variable?

6

n + 5 = -90

7

Solve: y + 21 = -8

8

x + 27 = -21

9

To get something by itself

10

Opposite mathematical operations that undo each other.

11

What is the variable?? x + 10 = -22

12

To replace a variable or a symbol with a known numerical value.

Adding and subtracting equations with variables