Question

What is the solution to the equation?
t(7-2) =9 x 7 - 9 x 2
A.-2
B.2
C.7
D.9

Answer 1

Hey there!
Welcome to openstudy!
Do you know where to start or what to do?

Answer 2

no i really need help

Answer 3

there are two variables and only one equation

Answer 4

theres 2 variables?

Answer 5

i was thinking maybe i could see what 9x7-9x2 would equal then so to the second equation and add in each answer into the "T" slot and see which one matches. can i do that?

Answer 6

does the x mean times?

Answer 7

multiply?

Answer 8

what does 9x7-9x2 equal?

Answer 9

45

Answer 10

you should use a star * or asterisk instead of x to show multiplication

Answer 11

so now write out the whole equation, and replace 9x7-9x2 with 45

Answer 12

t(7-2) = 45

Answer 13

now what do you do?

Answer 14

by the way what is your variable?

Answer 15

simplify the terms in the parentheses

Answer 16

5

Answer 17

ok so now you have t*5 = 45 , you can write that as 5t = 45, now what?

Answer 18

and 9*5 is 45 so its D!

Answer 19

correct

Answer 20

nice :)

Answer 21

@VividOwl Since you got your answer, can you please close your question now? Thanks. :)