7-5a=a-(3a+5)

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Solution for 7-5a=a-(3a+5) equation:


Simplifying
7 + -5a = a + -1(3a + 5)

Reorder the terms:
7 + -5a = a + -1(5 + 3a)
7 + -5a = a + (5 * -1 + 3a * -1)
7 + -5a = a + (-5 + -3a)

Reorder the terms:
7 + -5a = -5 + a + -3a

Combine like terms: a + -3a = -2a
7 + -5a = -5 + -2a

Solving
7 + -5a = -5 + -2a

Solving for variable 'a'.

Move all terms containing a to the left, all other terms to the right.

Add '2a' to each side of the equation.
7 + -5a + 2a = -5 + -2a + 2a

Combine like terms: -5a + 2a = -3a
7 + -3a = -5 + -2a + 2a

Combine like terms: -2a + 2a = 0
7 + -3a = -5 + 0
7 + -3a = -5

Add '-7' to each side of the equation.
7 + -7 + -3a = -5 + -7

Combine like terms: 7 + -7 = 0
0 + -3a = -5 + -7
-3a = -5 + -7

Combine like terms: -5 + -7 = -12
-3a = -12

Divide each side by '-3'.
a = 4

Simplifying
a = 4

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