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Joint like terms

100

5x+ 2x+7=

7x+4

200

6x+3x+2+5=

9x+7

300

4x+3+5x+7=

9x+10

400

9x+3x+7-2=

12x+5

500

5+6x+2x+10-4=

8x+11

Isolate X

100

x+4=9

x=9-4

200

x+4=10

x=10-4

300

x+7=10`

x=10-7

400

x+3=13

x=13-3

500

x+5=12

x=12-5

Solve for x

100

x+8=10

x=10-8

x=2

200

x+2=8

x=8-2

x=6

300

x+6=23

x=23-6

x=17

400

x+8=45

x=45-8

x=37

500

x+9=56

x=56-9

x=47

Isolate X

100

x-7=9

7+9

200

x-6=10

10+6

300

x-5=6

x=6+5

400

x-2=4

x=4+2

500

x-1=17

x=17+1

simplify

100

15x-3x+3x

15x

200

62x-41x+30x=

51x

300

325x+211x+112x=

648x

400

122x+111x-110x=

x=123x

500

820x-610x+300x=

510x