Math, asked by sithara1876, 9 months ago

plssss answer thiss....plsssss guysss

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Answered by 15121115anil

3

a) 2x.5 + 15 = 7x + 45

10x - 7x = 30

3x = 30

x = 10

b) 18y + 21 = 4y

18y - 4y = 21

14y = 21

y = 21/14 = 3/2

y = 1.5

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