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Equation:
Equation 3*x=28-x
Equation 3(x-7)-6x=-x
Equation cos(x)^(2)=(1/2)
Equation (x+3)^2-16=(1-2x)^2
Express {x} in terms of y where:
9*x-8*y=-6
-18*x+16*y=4
-9*x-19*y=13
-13*x-5*y=6
Identical expressions
(2y- one)/(2x+ one)
(2y minus 1) divide by (2x plus 1)
(2y minus one) divide by (2x plus one)
2y-1/2x+1
(2y-1) divide by (2x+1)
Similar expressions
(2y-1)/(2x-1)
(2y+1)/(2x+1)

(2y-1)/(2x+1) equation

The teacher will be very surprised to see your correct solution 😉

The solution

You have entered [src]

2*y - 1    
------- = 0
2*x + 1

$$\frac{2 y - 1}{2 x + 1} = 0$$

Simplify

The graph

Sum and product of roots [src]

sum

1/2

$$\frac{1}{2}$$

1/2

$$\frac{1}{2}$$

product

1/2

$$\frac{1}{2}$$

1/2

$$\frac{1}{2}$$

1/2

Rapid solution [src]

y1 = 1/2

$$y_{1} = \frac{1}{2}$$

y1 = 1/2