-3a-7a=-3a-6a+7

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Solution for -3a-7a=-3a-6a+7 equation:


Simplifying
-3a + -7a = -3a + -6a + 7

Combine like terms: -3a + -7a = -10a
-10a = -3a + -6a + 7

Reorder the terms:
-10a = 7 + -3a + -6a

Combine like terms: -3a + -6a = -9a
-10a = 7 + -9a

Solving
-10a = 7 + -9a

Solving for variable 'a'.

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

Add '9a' to each side of the equation.
-10a + 9a = 7 + -9a + 9a

Combine like terms: -10a + 9a = -1a
-1a = 7 + -9a + 9a

Combine like terms: -9a + 9a = 0
-1a = 7 + 0
-1a = 7

Divide each side by '-1'.
a = -7

Simplifying
a = -7

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