7a-4=3a+64

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Solution for 7a-4=3a+64 equation:


Simplifying
7a + -4 = 3a + 64

Reorder the terms:
-4 + 7a = 3a + 64

Reorder the terms:
-4 + 7a = 64 + 3a

Solving
-4 + 7a = 64 + 3a

Solving for variable 'a'.

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

Add '-3a' to each side of the equation.
-4 + 7a + -3a = 64 + 3a + -3a

Combine like terms: 7a + -3a = 4a
-4 + 4a = 64 + 3a + -3a

Combine like terms: 3a + -3a = 0
-4 + 4a = 64 + 0
-4 + 4a = 64

Add '4' to each side of the equation.
-4 + 4 + 4a = 64 + 4

Combine like terms: -4 + 4 = 0
0 + 4a = 64 + 4
4a = 64 + 4

Combine like terms: 64 + 4 = 68
4a = 68

Divide each side by '4'.
a = 17

Simplifying
a = 17

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