The addition property of equality justifies this. You could also say that she simply subtracted 7, and then it would be the subtraction property of equality. This is the case because if you add or subtract (or multiply or divide) the same number on both sides of an equation, the equation will still be the same.
Hope it helps!
Answer:
Step-by-step explanation:
subtract 9 from both sides
x=3
Answer:
D
Step-by-step explanation:
three meters is 118.11 inches, so if you were to round that you would get 120 inches. That means the answer is D.
Answer:
Where is the graph?
Step-by-step explanation:
Answer:
960
Step-by-step explanation:
x = 0.6x + 384
Subtract 0.6x from both sides.
0.4x = 384
Divide both sides by 0.4
x = 960
