The Y intercept of y=7x+10 is 10.
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7x + 8 = 10x - 2 ∴ 3x = 10 ∴ x = 10/3
7x = 5+5x 7x-5x = 5 2x = 5 x = 2.5
x2 +7x = 30 x2 +7x - 30 = 0 (x + 10)(x - 3) = 0 Now: x + 10 = 0 or x - 3 = 0 So: x = -10 or x = 3
7x-4 = 3x+36Add 4, it cancels out.. So,7x = 3x+40Now subtract 3x from 7x..4x = 40..40 divided by 4 is 10So, X= 10
x=6