Compare and contrast simplifying the numeric expression 3 – (2 + 5) to the algebraic expression 3x – (2x + 5).

Question

anonymous · Answer

Thank you please stay here.

hero · Answer

One has x's in it. The other doesn't, which means, the first one can be simplified completely into a single integer. The other one can be simplified into two terms.

hero · Answer

Formatting issues

hero · Answer

$$3 - (2 + 5) = 3 - 7 = -4$$

hero · Answer

3x - (2x+5) = 3x - 2x + 5 = x + 5

anonymous · Answer

which expression is an equivalent to (1+9x)-10?
A. -10-90x
B. 11+9x
C. 10+90x
D. -11-9x

hero · Answer

The only one that makes sense is A

anonymous · Answer

Simplify the expression  3(x+3)-2x+4
A. 5x+5
B. x+13
C. 6x-12
D. 3x-11

hero · Answer

3x + 9 - 2x + 4 = x + 13

The answer is B

anonymous · Answer

simplify the following expression 3y-2x+z-2x+3(x+y)
A. -4x+4y+z
B. -x+6y+z
C. x+4y+z

D. 3x+4y+z