Question

A}5x-4-2x+6=7

B} 3(2x-1)+5=20

Answer 1

A) 5x - 4 - 2x + 6 = 7

5x - 2x - 4 + 6 = 7
3x + 2 = 7
3x = 7 - 2
3x = 5
x = 5/3

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B) 3.(2x - 1) + 5 = 20

6x - 3 + 5 = 20
6x + 2 = 22
6x = 20 - 2
6x = 18
x = 18/6
x = 3