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example 3 solve for a variable geometry the formula for the perimeter o…

Question

example 3 solve for a variable
geometry the formula for the perimeter of a parallelogram is p = 2a + 2b where a and b represent the measures of the bases. solve the equation for b.
p = 2a + 2b
p - _ = 2a + 2b - _
p - 2a = _
\frac{p}{2}-\frac{2a}{2}=\frac{2b}{2}
\frac{p}{2}-_ = b
original equation
subtract 2a from each side.
simplify.
divide each side by 2.
simplify.

Explanation:

Response

Explicación:

Paso1: Restar 2a de ambos lados

$P - 2a=2a + 2b-2a$

Paso2: Simplificar

$P - 2a = 2b$

Paso3: Dividir ambos lados por 2

$\frac{P - 2a}{2}=\frac{2b}{2}$

Paso4: Simplificar

$\frac{P}{2}-a = b$

Respuesta:

$b=\frac{P}{2}-a$

Answer:

Explicación:

Paso1: Restar 2a de ambos lados

$P - 2a=2a + 2b-2a$

Paso2: Simplificar

$P - 2a = 2b$

Paso3: Dividir ambos lados por 2

$\frac{P - 2a}{2}=\frac{2b}{2}$

Paso4: Simplificar

$\frac{P}{2}-a = b$

Respuesta:

$b=\frac{P}{2}-a$