Algebra Formula?

Solution:

Part 1:
Make x the subject, give: mx = y - b
Therefore, x = (y-b) / m


Part 2:
2xy = 7 + 3y
x = (7+3y) / 2y

whilst saying "squared", it could additionally be convey as "to the 2d potential" or "to the potential of two". It skill the comparable factor. ^ = to the potential of... you will ought to comprehend that as quickly as you're utilising a calculator or whilst u are writing those issues in text cloth. (a + b)^2 = (a + b)(a + b) u stick to? whilst u multiply, ur going to do the variables: FiRST: a x a = a^2 final: b x b = b^2 exterior: a x b = ab interior: b x a = ab upload all of them jointly: a^2 + ab + ab + b^2 = a^2 + 2ab + b^2 (if it makes it greater undemanding, think of of "ab" as "1ab". So u are including 1ab + 1ab = 2ab) FYI, till now you start up utilising formula, u will probable be required to coach that they are magnificent. that is notably important cuz those shortcuts are by and vast used to make sure your artwork. ______________________________________... So, right here is yet in a distinctive thank you to look on the comparable unique subject: (a + b)(c + d) = ac + bd + advert + bc Do you spot how I have been on condition that?

2xy - 3y = 7
2xy = 7 + 3y
x = (7 + 3y)/2y

mx = y - b
x= (y-b)/m
2xy = 7 + 3y
x= (7+3y) / 2y

This isn't a line, so your y = mx + b doesn't apply. The best you can do with it is:

2xy - 3y = 7
y(2x - 3) = 7
y = 7/(2x - 3)