a-2a+7+5a=

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


Simplifying
a + -2a + 7 + 5a = 0

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

Combine like terms: a + -2a = -1a
7 + -1a + 5a = 0

Combine like terms: -1a + 5a = 4a
7 + 4a = 0

Solving
7 + 4a = 0

Solving for variable 'a'.

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

Add '-7' to each side of the equation.
7 + -7 + 4a = 0 + -7

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

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

Divide each side by '4'.
a = -1.75

Simplifying
a = -1.75

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