It has no value but if you mean: y = 3x+5 then it is a straight line equation that can be plotted on the Cartesian plane
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one is y=3x+3 so is y=3x+5
2. If x=5 & y =3 then: 3x + 2y = 3 x 5 + 2 x 3 = 15 + 6 = 21 2x + 3y = 2 x 5 + 3 x 3 = 10 + 9 = 19 ⇒ 3x+2y exceeds 2x+3y by 21 - 19 = 2. Alternatively: 3x+2y exceeds 2x+3y by: (3x+2y) - (2x + 3y) = 3x + 2y - 2x - 3y = x - y If x=5 & y=3 then this becomes: x - y = 5 - 3 = 2
you plug in the value of y and solve for x by algebra For example, standard form is y = mx + b Say y = 3x + 4 and you are given y = 7 then 7 = 3x + 4 3 = 3x 1 = x x = 1
Two linear equations that are parallel with have the sameslope, or the m value in y = mx + b will be the same.For example, y = 3x + 5 is parallel to y = 3x - 6
y--5 = -3(x-4) y = -3x+12-5 y = -3x+7