Question

5×-5+×=9+× 7×-4-×=-2×+8-3×

Answer 1

5x - 5 + x = 9 + x 
5x + x - 5 = 9 + x
6x - 5 = 9 + x
6x - x = 9 + 5
5x = 14
x = 14/5

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7x - 4 - x = - 2x + 8 - 3x
7x - x - 4 = - 2x - 3x + 8
6x - 4 = - 5x + 8
6x + 5x = 8 + 4
11x =12
x = 12/11

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