8=7a+4

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Solution for 8=7a+4 equation:


Simplifying
8 = 7a + 4

Reorder the terms:
8 = 4 + 7a

Solving
8 = 4 + 7a

Solving for variable 'a'.

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

Add '-7a' to each side of the equation.
8 + -7a = 4 + 7a + -7a

Combine like terms: 7a + -7a = 0
8 + -7a = 4 + 0
8 + -7a = 4

Add '-8' to each side of the equation.
8 + -8 + -7a = 4 + -8

Combine like terms: 8 + -8 = 0
0 + -7a = 4 + -8
-7a = 4 + -8

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

Divide each side by '-7'.
a = 0.5714285714

Simplifying
a = 0.5714285714

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