Maths 主項

a) ax - b = c
ax=b+c
x=(b+c)/a

b) (x-b)/a = c
x-b=ac
x=b+ac

c) (b/a)x = c
x=c(a/b)

d) (b/x)+a = c
b/x=c-a
x/b=1/(c-a)
x=b/(c-a)

e) a(x-b) = c
x-b=c/a
x=c/a + b

f) (x/a)+b = c
x/a=c-b
x=a(c-b)

g) (a/b) = (c/x)
b/a=x/c
x=(bc)/a

h) ax + bx = c
x(a+b)=c
x=c/(a+b)

i) ax = bx + c
ax-bx=c
x(a-b)=c
x=c/(a-b)
j) √x = a
x=a2