75
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y=26 -3y-78 -3y=78 y=78/-3 y=-26 get y by its self by frist getting rid of -78 by adding 78 on each side. then you get rid of -3 by dividing -3 on both side. then you will have y=78/3, divide 78 by -3 and you'll get y=-26.
2y
12
This is definitely false; if x=2 and y=3, x to the y power is 8, but y to the x power is 9, which are not equal.
x-y does not equal 10.
Euler's constant, e, has some basic rules when used in conjunction with logs. e raised to x?æln(y),?æby rule is equal to (e raised to ln(y) raised to x). e raised to ln (y) is equal to just y. Thus it becomes equal to y when x = 1 or 0.