Answer:
x = 12
Step-by-step explanation:
10 - 3 ( x + 7 ) = 26
First Step: Distribute
- 3 to ( x + 7 )
= 10 - 3 x - 21 = 26
Second Step: Combine like terms
10 - 21
= - 11 - 3 x = 26
Third Step: Add from both sides
26 + 11
= - 3 x = 37
Fourth Step: Divide from both sides
37 / - 3
x = 12