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5(2x + 5) = 2(3x – 4) + 45

10x + 25 = 6x – 8 + 45

10x + 25 = 6x + 37

10x – 6x = 37 – 25

4x = 12

x = 12/4

x = 3

x + 7 = 3 + 7 = 10

10x + 25 = 6x – 8 + 45

4x = 12

x = 3

x + 7 = 10