Answer:
hi! sorry i don't know the answer but u might want to crop the picture since ur name is at the top u don't have to but just for safety
54%
Just divide 450 out of 828
450/828= 0.54347
Move the decimal to the right twice
Answer:
+1
Step-by-step explanation:
Well (+) and (-) is equals basically to (-) when add ing them or multiplying them... so the difference is +1
Answer:
y = 3z - 2x
Step-by-step explanation:
Systems of equations can be solved by a number of know techniques, such as substitution, elimination or graphical approach.
We are required to solve the system of equations given via substitution;
2x + y = 3z
x + y = 6z
The question requires us to determine the value for y from the first equation, that could be substituted into the second equation.
We simply need to make y the subject of the formula from the first equation;
2x + y = 3z
To do this we subtract 2x on both sides of the equation;
2x + y -2x = 3z - 2x
y = 3z - 2x
This is the value of y from the first equation, that can be substituted into the second equation.
