c) ay-c=4ay-d ay - 4ay = c-d -3ay=c-d y = (c-d)/(-3a)
d) 3by –z –a=2by 3by – 2by = z + a by = z+a y = (z+a)/b
0 votes Thanks 0
123bodzio
A) 2y-ab=c 2y = c + ab y = (c + ab)/2 b) b=-ay + dv ay = dv - b y = (dv - b)/a c) ay-c=4ay-d ay - 4ay = c - d y(a - 4a) = c - d y = (c - d)/-3a = - (c - d)/3a = (d - c)/3a d) 3by –z –a=2by 3by - 2by = a + z by = a + z y = (a + z)/b
2y=c+ab /:2
y=c+2b/2
b) b=-ay + dv
ay=dv-b /:a
y=dv-b /a
c) ay-c=4ay-d
ay-4ay=c-d
-3ay=c-d /:-3a
y=c-d/-3a
d) 3by –z –a=2by
3by-2by=z+a
by=z+a /:b
y=z+a /b
2y = c+ab
y = (c+ab)/2
b) b=-ay + dv
ay = dv - b
y = (dv - b)/a
c) ay-c=4ay-d
ay - 4ay = c-d
-3ay=c-d
y = (c-d)/(-3a)
d) 3by –z –a=2by
3by – 2by = z + a
by = z+a
y = (z+a)/b
2y = c + ab
y = (c + ab)/2
b) b=-ay + dv
ay = dv - b
y = (dv - b)/a
c) ay-c=4ay-d
ay - 4ay = c - d
y(a - 4a) = c - d
y = (c - d)/-3a = - (c - d)/3a = (d - c)/3a
d) 3by –z –a=2by
3by - 2by = a + z
by = a + z
y = (a + z)/b