Terms that follow one after another in a sequence.

4x-5+6x= 15

Solve for M
A=MI+R

Figure 4- 1+5+5+5+5+5

When you add, you can change how you group numbers and still get the same result

The Change remains the same between terms.

7x-14+5x-10= 60

Solve for O
HE+C=O-RT

Figure 3- 2+4+4

A number plus its opposite equals 0

N-???

2x+5x-10+27+ 9x=145

Solve for Y
L=YRIC

Figure 7- 6+12+12+12+12+12+12

AB/C=CD/C

Any value that makes an equation or inequality true when substituted for the variable.

8x-4+13+3x-6x=37

Solve for U
P= AU+L

Figure 4- 19+4+4+4

When you multiply, you can change how you group numbers and still get the same result

An equation containing several variables.
Z+A=CH

5x+10-23+16x-7=76

Solve for O
GI=EL+OW

Figure 9- 1+3+3+3+3+3+3+3

You can change the order when you multiply two numbers and still get the same result.