Divide both sides by 2:
2x = 10 - 2y
__ __ ___
2 2 2
x = 5 - y
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y = 2x+5 whereas 2 is the slope and 5 is the intercept
it equals 13X.
If your question was 2X + 5 =10. X equals what? Then X=2.5
What do you want to convert it to? x2 + y2 = 2x If you want to solve for y: x2 + y2 = 2x ∴ y2 = 2x - x2 ∴ y = (2x - x2)1/2 If you want to solve for x: x2 + y2 = 2x ∴ x2 - 2x = -y2 ∴ x2 - 2x + 1 = 1 - y2 ∴ (x - 1)2 = 1 - y2 ∴ x - 1 = ±(1 - y2)1/2 ∴ x = 1 ± (1 - y2)1/2
If x=4 then 2x+7 =