Question

Math equation help

Answer 1

-8x+9x-21= -12 - 16

Answer 2

this is my only question i need to solve for x

Answer 3

HI!!

Answer 4

hi

Answer 5

is it \[\huge -8x+9x-21= -12 - 16\]?

Answer 6

yeah

Answer 7

combine like terms first which really just means compute \(-8x+9x\) and also \(-12-16\)

Answer 8

x means i multiply by something right?

Answer 9

lol

Answer 10

you did write "solve for x" above right?

Answer 11

that means x is a variable, not a times sign !

Answer 12

yes

Answer 13

if that is confusing change it to an \(n\) or a \(\xi\) or whatever your favorite variable is
i like \(\color\magenta\heartsuit\)

Answer 14

−12−16 is -28 and −8x+9x−21 is -32

Answer 15

could x be -7?

Answer 16

you need to go back and find out what a variable is, and what it means to say "solve for \(x\)"

Answer 17

\[ −8x+9x−21 \] is not a number, i ti s an expression

Answer 18

like \[-8\spadesuit+9\spadesuit-21\]