Answer:
Combine like terms
4r+2=-2
Subtract 2 from both sides
4r=-4
Divide 4 by from both sides
r=-1
Answer:
y=33 degree
Step-by-step explanation:
y = 33 degree (the relation between y and 33 is they are vertically opposite angles anf verticelly opposite angles are always equal)
It's an expression that consists of variables and coefficients that involves only the operations of addition, subtraction, multiplication, and non-negative integer exponents of variables.
example:
x2 − 4x + 7
