Simplify this -2x+(9x-4)

7x-4

Step-by-step explanation:

step 1  -2x+ 1 (9x-4)

Pretend there is an imaginary 1 in front of the parenthesis then, multiply 9*1  and 1*-4.

step 2  -2x + 9x -4

combine the numbers in bold which is -7x.

Answer-  7x -4

what are the statements

step-by-step explanation:

step-by-step explanation:

the true statements are:

r = set of real numbers

n = set of natural numbers, 1,2,

w = n u{0} = {0,1,}