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The answer to the math problem -3 7x plus 7 is x equals 1/3.
x+4 =7x+4-4=7-4x = 3
7 equals 7, in any form of math. If it were to have something attached to it, however, such as 7x, it would most likely be something else.
7x + 7 = 7(x + 1)
7x+7=28x 28x-7x=7 21x=7 x=3