Find the variables 1) 8x -44= -3x

2) 1w- 9= 4w

3) 5n- 16=1n

4) 8h+ 36=2

Need on this one asap im almost done with this subject

Write an expression that has three terms and simplifies to 4x - 7. identify the coefficient(s) and constant(s) in your expression

How many sides does a regular polygon have if each exterior angle measure is 45 degrees explain your answer, i really don't understand this.