6r = 3(r - 4) - r
need help asap!

6 = 3( + -4) + -1

:

6 = 3(-4 + ) + -1

6 = (-4 * 3 + * 3) + -1

6 = (-12 + 3) + -1

: 3 + -1 = 2

6 = -12 + 2

6 = -12 + 2

''.

, .

'-2' .

6 + -2 = -12 + 2 + -2

: 6 + -2 = 4

4 = -12 + 2 + -2

: 2 + -2 = 0

4 = -12 + 0

4 = -12

'4'.

= -3

= -3

Step-by-step explanation:

'

he spend 5.1 minutes chatting with his friends

step-by-step explanation:

2/5+1/2=9/10

6/1-9/10=5 1/10

the answer is 844

step-by-step explanation:

it is 844 because if you add 836.50 + 7.5 you will get 844