5-3a+4=a-7

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Solution for 5-3a+4=a-7 equation:


Simplifying
5 + -3a + 4 = a + -7

Reorder the terms:
5 + 4 + -3a = a + -7

Combine like terms: 5 + 4 = 9
9 + -3a = a + -7

Reorder the terms:
9 + -3a = -7 + a

Solving
9 + -3a = -7 + a

Solving for variable 'a'.

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

Add '-1a' to each side of the equation.
9 + -3a + -1a = -7 + a + -1a

Combine like terms: -3a + -1a = -4a
9 + -4a = -7 + a + -1a

Combine like terms: a + -1a = 0
9 + -4a = -7 + 0
9 + -4a = -7

Add '-9' to each side of the equation.
9 + -9 + -4a = -7 + -9

Combine like terms: 9 + -9 = 0
0 + -4a = -7 + -9
-4a = -7 + -9

Combine like terms: -7 + -9 = -16
-4a = -16

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

Simplifying
a = 4

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