2a+3-4a-8=7

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Solution for 2a+3-4a-8=7 equation:


Simplifying
2a + 3 + -4a + -8 = 7

Reorder the terms:
3 + -8 + 2a + -4a = 7

Combine like terms: 3 + -8 = -5
-5 + 2a + -4a = 7

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

Solving
-5 + -2a = 7

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 + -2a = 7 + 5

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

Combine like terms: 7 + 5 = 12
-2a = 12

Divide each side by '-2'.
a = -6

Simplifying
a = -6

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