## College Algebra (11th Edition)

$x=5c+2a$
Distribute -1 to the terms in the parentheses on the left hand side. $5x-2a-c=4(x+c)$ Distribute 4 to the terms in the parentheses on the right hand side. $5x-2a-c=4x+4c$ Add 2a to both sides. $5x-c=4x+4c+2a$ Add c to both sides. $5x=4x+5c+2a$ Subtract 4x from both sides. $x=5c+2a$