4a-5a=2a+7

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Solution for 4a-5a=2a+7 equation:


Simplifying
4a + -5a = 2a + 7

Combine like terms: 4a + -5a = -1a
-1a = 2a + 7

Reorder the terms:
-1a = 7 + 2a

Solving
-1a = 7 + 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.
-1a + -2a = 7 + 2a + -2a

Combine like terms: -1a + -2a = -3a
-3a = 7 + 2a + -2a

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

Divide each side by '-3'.
a = -2.333333333

Simplifying
a = -2.333333333

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