Question

помогите решить уравнения

Answer 1

По свойству пропорции множим крест накрест
1) 2(2x + 1) = 3
6x + 2 = 3
6x = 1
x = 1/6

2) 3(3x - 2) = 2
9x - 6 = 2
9x = 8
x = 8/9

3) 2(4x-1) = 5
8x - 2 = 5
8x = 7
x = 7/8

Answer 2

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