Ineed with this math
which equation is not equivalent to 2x + 15 = 35?
a.) 45x=845x=8
b.)2x − 5 = x + 25
c.)2x + 7 = 27
d.)43x=x+103

Which equation and solution can be used to solve this problem? thirteen less than a number is sixteen. 13-n=16: add 13 to both sides. the answer is 29. n+13=16: subtract 13 from both sides. the answer is 3. n+16=13 subtract 13 from both sides. the answer is 3. n-13=16: add 13 to both sides. the answer is 29.

What is 1/2 x (6 x 4)+3 + 2 show your work

Evaluate cos2θ for cosθ = square root of 3/2