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This is the Communative property of multiplication
Answer:
x = -7
Step-by-step explanation:
4x - 9 = 7x + 12
~Add 9 to both sides
4x = 7x + 21
~Subtract 7x to both sides
-3x = 21
~Divide -3 to both sides
x = -7
Best of Luck!
Answer:
Point
divides
into a ratio of
.
Step-by-step explanation:
Given: Points are 
To find: point that will divide
into a ratio of
starting from point
.
Solution:
If the point
divides the line joining points
and
in ratio
then

Put 
Therefore,

Therefore,
point
divides
into a ratio of
.