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Earn +20 ptsQ: 10x plus 9y equals 4 and -6x plus 4y equals -5?
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What is 10x plus 3y minus 4x minus 7y equals?
6x - 4y
6x plus 4y equals 32 -6x plus 4y equals 8?
6x = 32 - 4y and 4y - 8 = 6x so 32 - 4y = 4y - 8 ie 40 = 8y so y = 5 and x = 2
What is 6x 4y-8x-10x 5y-9?
7.8.8
10x plus 7 equals 4x plus 49 what does x stand for?
10x + 7 = 4x + 49 6x + 7 = 49 6x = 42 x = 6
3x plus 8 equals -10x plus x?
8 = -6x x = -1.3333
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