You can multiply or divide one equation so that it has a variable with a coefficient opposite of the other equation.
Example:
A) 2x + 3y = 6
B) 4x +2y = 20
Notice that neither equation has a "1" or "-1"
Let's multiply Equation A) by -2
A) -4x -6y = -12 Then add it to B)
B) 4x +2y = 20
-4y = 8
y= -2
A) 2x + 3*-2 = 6
2x = 12
x = 6
All 3 of her children will receive 133,333.3333
Y = mx + b
m is the gradient, otherwise known as slope
b is known as the y-intercept
So 3y = 4x + 6
Divide both sides by 3 to isolate y.
y = (4/3)x + 2
The gradient is 4/3
The y-intercept is 2
Answer:
8/9
Step-by-step explanation:
1/3 divided by 3/8 is 8/9
6 minutes = 6/60 = 0.1 hour
Suzanne can read
3×(5/0.1) = 150 pages in 5 hours
