Question

Question #8ed27

Answer 1

`x = -200`

Explanation:

Given: `4log_3(43-x)=20`

Divide both sides by 4:

`log_3(43-x)=5`

Make logarithm disappear by making both sides the exponent of 3:

`43-x=3^5`

Compute `3^5`

`43-x=243`

Subtract 43 from both sides:

`-x=200`

`x = -200`