7a-(2a+5)=

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Solution for 7a-(2a+5)= equation:


Simplifying
7a + -1(2a + 5) = 0

Reorder the terms:
7a + -1(5 + 2a) = 0
7a + (5 * -1 + 2a * -1) = 0
7a + (-5 + -2a) = 0

Reorder the terms:
-5 + 7a + -2a = 0

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

Solving
-5 + 5a = 0

Solving for variable 'a'.

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

Add '5' to each side of the equation.
-5 + 5 + 5a = 0 + 5

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

Combine like terms: 0 + 5 = 5
5a = 5

Divide each side by '5'.
a = 1

Simplifying
a = 1

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