7a 5 = 2a help me slove this

A33 gram sample of a substance that's used to detect explosives has a k-value of 0.1473. n = noekt no = initial mass (at time t = 0) n = mass at time t k = a positive constant that depends on the substance itself and on the units used to measure time t = time, in days

Me find the value of x each figure.

Solving algebraic equations 2m+3=11