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Expression vs Equation
combine Like terms
slove for x
150

4+10-8+x=10

exp

150

4x - x

3x

150

2x+3=7

x=2

300

2x+3y-2

equation

300

5x+10-2x+4

3x+14

300

4x+2(x-5)=20

x=5

400

4x+2x-6y=15

equation

400

-4x-x+2+6

3x

-5x+8

400

-(x-4)+8x-x=46

x=7