Question

4x + 1/2 = 9/2 + 3

5(x+1)-3(x+2)=4

Answer 1

a)

4x + 1/2 = 9/2 + 3
4x = 9/2 - 1/2 + 3
4x = 8/2 + 3
4x = 4 + 3
4x = 7
x = 7/4

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b)

5.(x + 1) - 3.(x + 2) = 4
5x + 5 - 3x - 6 = 4
5x - 3x + 5 - 6 = 4
2x - 1 = 4
2x = 4 + 1
2x = 5
x = 5/2