Math

3(7x + 1) = 66 Solve for x and check

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3(7x + 1) = 66

3(7x) (3)( + 1) = 66

21x+3=66

21x+3-3=66-3

21x=63

21x/21=63/21

x=3

Check:

3(7x + 1) = 66

3(7(3) + 1) = 66

3(21 + 1) = 66

3(22) = 66

66=66