By taking x as subject the formula becomes x = (v² - u²)/2a.
<h3>What is Equation?</h3>
An equation is a mathematical statement with an 'equal to=' symbol between two expressions that have equal values.
Here given equation:
v² = u² + 2ax
2ax = v² - u²
x = (v² - u²)/2a
Thus, by taking x as subject the formula becomes x = (v² - u²)/2a.
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A system of equations means that both equations need to be true in the same time.
Since y is equal with 3x-7 and 2x+7 then those must be equal with eachother.
3x-7=2x+7
3x-2x=7+7
X=14
Now that we know x use any given equation of y and substitute x with 14
Y=3•14-7=35
Solution: x=14, y=35
Answer:
see below
Step-by-step explanation:
a x (b+c) = a x b + a x c
Let A= -35 , B = 10 , C= -5
-35 * ( 10 -5) = -35 *10 + -35 * -5
-35 *(5) = -350 + 175
-175 = -175
Answer:
Length = 80 feet, Width = 22 feet
Step-by-step explanation:
Let's call the length 'L' and the width 'W'. Then, we can formulate the following equations:
L = 3*W + 14
2L + 2W = 204 -> L + W = 102
Using the value of L from the first equation in the second equation, we have that:
3*W + 14 + W = 102
4*W = 88
W = 22 feet
From the first equation:
L = 3*W + 14 = 66 + 14 = 80 feet.
