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Earn +20 ptsQ: How do you solve '3x plus 9 equals 81-5x'?
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How do you solve this equation 3x plus 2y equals 12 solve for y?
3x + 2y = 12 ie 2y = 12 - 3x so y = 6 - 3x/2
Solve for y -3x plus 6y equals 12?
y-3x+6y=12 7y=3x+12 y=3x/7 +12/7
How do you solve 3x plus 2y equals 7?
You cannot solve one linear equation in two unknown variables.
Solve-3x-2 equals 2x plus 4 for x?
3x - 2 = 2x + 4 3x - 2x = 4 + 2 x = 6
How do you solve 6x equals 3x plus 27?
Watch closely:6x = 3x + 27Subtract 3x from each side:3x = 27Divide each side by 3:x = 9
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