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Given the equation p = 2w + 2l, solve for w.
Solution:
A linear equation is an equation in which the highest power of the variable is always 1. It is also known as a one-degree equation.
The standard form of a linear equation in one variable is of the form Ax + B = 0.
Given equation,
p = 2w + 2l
⇒ 2w = p - 2l
⇒ w = (p - 2l) / 2
⇒ w = p/2 - l
Example: Solve for z if y = 5x - 25 z
Given equation y = 5x - 25 z
⇒ 25z = 5x - y
⇒ z = (1/5)x - (y/25)
Given the equation p = 2w + 2l, solve for w.
Summary:
The value of ‘w’ in p = 2w + 2l is = p/2 - l
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