3(-4+x)=-42 two step problem

x=-10

Step-by-step explanation:

3(-4+x)=-42

Distribute

-12+3x=-42

Bring -12 to the other side (switches signs)

3x=-30

Divide 3 from both sides

x=-10

the answer would be 1 1/72

step-by-step explanation:

you can rewrite the equation by separating the parts and then solving individually:

10-9=1

1/8 - 1/9=

find l c d and then combine:

1 1/72