It is a linear equation in x. The equation has the solution x = 0.
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2x + 5 = 13 2x = 8 2x/2 = 8/2 x=4
2x + 5 = 25 2x = 20x = 10
6x + 3 = 2x + 5 4x = 2 x=1/2
4x - 7 = 2x + 5 2x - 7 = 5 2x = 12 x = 6.
4x + 2 = 2x + 5 Subtract through by 2x 2x + 2 = 5 Subtract through by 2 2x = 3 Divide through by 2 x = 1.5 ■