Question

If 5
${5}^{x + 3} = {25}^{3x - 4}$
,then find x.​

Answer 1

Answer:

2.2

Step-by-step explanation:

$5^{x+3} = (5^{2})^{3x-4}$

Same bases have powers equal

$x+3 = 2(3x-4)\\x+3=6x-8\\11=5x\\x=\frac{11}{5}\\x=2.2$