header bg

Scan QR code or get instant email to install app

Question:

Solve for x: 5x − 4 = 3(8 + 3x)

A -7
explanation

Isolate the variable x on one side of the equation.
5x − 4 = 3(8 + 3x)
5x − 4 = 24 + 9x
−4 − 24 = 9x − 5x
−28 = 4x
\(\frac{-28}{4} = \frac{4x}{4}\)
x = −7