you multiply 5 by 2 which is ten or you think of adding 5 two's or adding 2 fives.
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5x-2 = 3x-6 5x = 3x - 6 +2 5x = 3x - 4 5x - 3x = -4 2x = -4 x = -2
5x - 2y = 05x - 5x - 2y = 0 - 5x-2y = - 5x(-2y)/-2 = (-5x)/-2y = (5/2)x where the slope is 5/2 and the y-intercept is 0.
It is: 10x^2 -4x = 2x(5x-2)
It is: 5x times 6x = 30x^2
-5x + 2(4x-10)=10