Answer:
-1
Step-by-step explanation:
Given the equation:

Substitute
into this equation:

Subtract 4:

7 multiplied by 5 is 35
7 times 3 is 21
2 times 5 is 10
2 times 3 is 6
2 times 9 is 18
Answer:
-1.6n
Step-by-step explanation:
Answer:
x=2
Step-by-step explanation:
3x+6=4-2x
3x+2x=6+4
5x=10
x=10/5
x=2
What in tarnation is this