-4a+7=15

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Solution for -4a+7=15 equation: 


Simplifying
-4a + 7 = 15

Reorder the terms:
7 + -4a = 15

Solving
7 + -4a = 15

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 + -4a = 15 + -7

Combine like terms: 7 + -7 = 0
0 + -4a = 15 + -7
-4a = 15 + -7

Combine like terms: 15 + -7 = 8
-4a = 8

Divide each side by '-4'.
a = -2

Simplifying
a = -2

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