Adding and subtracting equations with variables Flashcards

1

x + 15 = -11

2

x + 27 = -21

3

x - 9 = -7

4

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

5

Opposite mathematical operations that undo each other.

6

n + 5 = -90

7

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

8

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

9

To get something by itself

10

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

11

y-4=-3 What is the variable?

12

Solve: y + 21 = -8

Adding and subtracting equations with variables