Answer:
2x+9=12x-21
-2. -2
9=10x -21
+21 +21
30=10x
Divide by 10 on both sides
30/10
x=3
Step-by-step explanation:
Ax+by=c but A can't be lower than one and can't be a negative
Answer:
Step-by-step explanation:
x/10=7
x=70
If x = -14, substitute the x back into the equation.
so now the equation is 2(-14) + 12. multiply the 2 by -14 first to get -28 + 12.
add those two together to get -16. hope this helps!
Answer:
Answer is B
Step-by-step explanation:
You go down 6 because i is -6 and it is rise/run (rise over run in fraction form). The slope is 3 so go up 3 out 1.