Question

1/2.x + 3 ( x-1 ) - 5 = 30

Answer 1

1/2.x+3(x-1)-5=30

1/2.x+3x-3-5=30

(1/2+3)x-8=30

7/2.x-8=30

7/2.x=38

7x=76

x=76/7

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