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Earn +20 ptsQ: What is the answer to 7x plus 1 equals 20?
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The answer to the math problem -3 7x plus 7 is x equals 1/3.
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What number is the solution to the equation 22 equals 7x plus 1?
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X2 plus 7x plus 9 equals 3?
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What is the solution to 7x plus y plus z equals 6 7x plus y plus 4z equals 9 y plus x equals 6?
7x + y + z = 6 7x + y + 4z = 9 y + x = 6 Take the first two statements and subtract them. 7x + y + z = 6 7x + y + 4z = 9 _____________ 0 + 0 - 3z = -3 Therefore: z = 1 Then you are left with: 7x + y + 1 = 6 7x + y + 4 = 9 which is impossible, so this is an impossible equation.
7x plus 6x-1 equals 0?
7x + 6x - 1 = 0 7x + 6x = 1 13x = 1 x = (1/13) This is not calculus btw. Its basic algebra.
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