9-(3a+5)=7-5a

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Solution for 9-(3a+5)=7-5a equation:


Simplifying
9 + -1(3a + 5) = 7 + -5a

Reorder the terms:
9 + -1(5 + 3a) = 7 + -5a
9 + (5 * -1 + 3a * -1) = 7 + -5a
9 + (-5 + -3a) = 7 + -5a

Combine like terms: 9 + -5 = 4
4 + -3a = 7 + -5a

Solving
4 + -3a = 7 + -5a

Solving for variable 'a'.

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

Add '5a' to each side of the equation.
4 + -3a + 5a = 7 + -5a + 5a

Combine like terms: -3a + 5a = 2a
4 + 2a = 7 + -5a + 5a

Combine like terms: -5a + 5a = 0
4 + 2a = 7 + 0
4 + 2a = 7

Add '-4' to each side of the equation.
4 + -4 + 2a = 7 + -4

Combine like terms: 4 + -4 = 0
0 + 2a = 7 + -4
2a = 7 + -4

Combine like terms: 7 + -4 = 3
2a = 3

Divide each side by '2'.
a = 1.5

Simplifying
a = 1.5

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