-7-7a=3a+23

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Solution for -7-7a=3a+23 equation:


Simplifying
-7 + -7a = 3a + 23

Reorder the terms:
-7 + -7a = 23 + 3a

Solving
-7 + -7a = 23 + 3a

Solving for variable 'a'.

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

Add '-3a' to each side of the equation.
-7 + -7a + -3a = 23 + 3a + -3a

Combine like terms: -7a + -3a = -10a
-7 + -10a = 23 + 3a + -3a

Combine like terms: 3a + -3a = 0
-7 + -10a = 23 + 0
-7 + -10a = 23

Add '7' to each side of the equation.
-7 + 7 + -10a = 23 + 7

Combine like terms: -7 + 7 = 0
0 + -10a = 23 + 7
-10a = 23 + 7

Combine like terms: 23 + 7 = 30
-10a = 30

Divide each side by '-10'.
a = -3

Simplifying
a = -3

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