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4x + 2y = 30 Since there are two variables ('x' and 'y'), two independent equations are needed in order to find unique values for both variables. With only one equation, there are millions of sets of values for 'x' and 'y' that satisfy it. For example: x = 4 and y = 7 satisfies it, and so does x = 6 and y = 3.
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Earn +20 ptsQ: Solve for x and y 4x plus 2y equals 30?
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6y plus 30 equals 2y plus 22?
Are you asking to solve for "y" in this? If so, you have to move stuff around. My suggestion: Subtract 2y from both sides, giving you 4y + 30 = 22 Subtraact 30 from both sides, giving you 4y = -8 Divide both sides by 4, giving you y = -2
3y plus 5 equals y-25?
3y+5=y-25 2y=-30 y= -15
Solve the system of equations 3x - 6y equals 30 y equals -6x plus 34?
x = 6 and y = -2
What is 30 plus 30 plus 30 plus 30 plus 30 plus 30 equals?
30 + 30 + 30 + 30 + 30 + 30 = 180
What plus what plus what equals 30?
10 + 10 + 10
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