Question

If $7^{2x-1}$ = $49^{x-1}$ + 42, find the value of $2^{1+x}$

Answer 1

a long, sturdy piece of squared timber or metal used to support the roof or floor of a building.

"there are very fine oak beams in the oldest part of the house"

Answer 2

a long, sturdy piece of squared timber or metal used to support the roof or floor of a building.

"there are very fine oak beams in the oldest part of the house"