-3a+7+4a=16-25

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Solution for -3a+7+4a=16-25 equation:


Simplifying
-3a + 7 + 4a = 16 + -25

Reorder the terms:
7 + -3a + 4a = 16 + -25

Combine like terms: -3a + 4a = 1a
7 + 1a = 16 + -25

Combine like terms: 16 + -25 = -9
7 + 1a = -9

Solving
7 + 1a = -9

Solving for variable 'a'.

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

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

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

Combine like terms: -9 + -7 = -16
1a = -16

Divide each side by '1'.
a = -16

Simplifying
a = -16

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