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This question is really asking you to find the value of x. Once you have found the x value you can prove or disprove the equation. To solve for x, isolate it in the equation.
3x + 12 = 5x +4 (Subtract 4 from both sides)
3x + 8 = 5x (Subtract 3x from both sides)
8 = 2x (divide both sides by 2)
4 = x So, if x = 4 does that prove your equation is correct?
3(4) + 12 = 24 5(4) + 4 = 24
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Earn +20 ptsQ: 3x plus 12 equals 5x-4
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Continue Learning about Math & Arithmetic
What is the answer to 5x equals 3x plus 12?
2x-12
What is 3x plus 8 equals 12?
3x+8 = 12 3x = 4 x = 4/3
What does 3x plus 42 equals 6x plus 12 mean?
3x+42=6x+12 42=6x-3x+12 42=3x+12 42-12=3x 30=3x 10=x
What is -3x plus y equals 12?
Point slope equation: Y=3X+12
How do you solve 7x plus 12 equals 3x?
7x = 3x - 12 4x=-12 x=-3
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