Question

X = (4 - 3x)/k
solve for x

Answer 1

x = 4/( k+3)

Explanation:

x = (4 - 3x)/k

Multiply each side by k

xk = (4 - 3x)/k*k

xk = (4 - 3x)

Add 3x to each side

xk+3x = 4

Factor out x

x ( k+3) =4

Divide each side by (k+3)

x ( k+3) / ( k+3) =4/( k+3)

x = 4/( k+3)