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ax+b=cx+d, for x

1 Answer

1 vote

Answer:

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

Explanation:

gven

ax + b = cx + d ( subtract cx from both sides )

ax - cx + b = cx - cx + d ( simplify both sides )

ax - cx + b = d ( subtract b from both sides )

ax - cx + b - b = d - b ( simplify )

ax - cx = d - b ← factor out x from each term on the left side )

x(a - c) = d - b ← divide both sides by (a - c )

x
(a-c)/(a-c) =
(d-b)/(a-c) , that is

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

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