5b. 2x+10 = (180- 30)
2x + 10= 150
2x = 140
x= 70
6a. 5x = (180-150)
5x = 30
x = 6
6b.8x+5 = (180-135)
8x +5 = 45
8x = 40
x = 5
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5b. 2x+10 = (180- 30)
2x + 10= 150
2x = 140
x= 70
6a. 5x = (180-150)
5x = 30
x = 6
6b.8x+5 = (180-135)
8x +5 = 45
8x = 40
x = 5