22.807354922
or log7(2)
7(2 + 2x) is 78 when x = 3. = 5,764,801.
44
No, it equals 28.
x-2=7 x=7+2x=9dips**t
x = -7, y = 2 ⇒ 2x3 + 15y = 2 x (-7)3 + 15 x 2 = 2 x (-343) + 15 x 2 = -656
7(2 + 2x) is 78 when x = 3. = 5,764,801.
5-x equals 7 = -2
44
Reflexivity is a property of equality, i.e., X = X is always true. Thus -7 raised to the power of 3 equals -7 raised to the power of 3 is true.
No, it equals 28.
2.645 squared equals 7. Save --------- Unclear what you're asking: If x=7, then x^2 (that is, "x squared") equals 49. or If x^2=7, then x equals the square root of 7, or about 2.64575
4x-7=5x-2 x=-5
x=2 y=7 5x+3y= 5 7 x 2 x 3 ____ _____ 10 21 21 + 10 _______ 31
x-2=7 x=7+2x=9dips**t
x = -7, y = 2 ⇒ 2x3 + 15y = 2 x (-7)3 + 15 x 2 = 2 x (-343) + 15 x 2 = -656
x = 2
It equals 0. * * * * * Unless the question is (-x)2 + (+x)2. In that case, the answer is 2x2