x-3a=7a

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Solution for x-3a=7a equation:


Simplifying
x + -3a = 7a

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

Solving
-3a + x = 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.
-3a + -7a + x = 7a + -7a

Combine like terms: -3a + -7a = -10a
-10a + x = 7a + -7a

Combine like terms: 7a + -7a = 0
-10a + x = 0

Add '-1x' to each side of the equation.
-10a + x + -1x = 0 + -1x

Combine like terms: x + -1x = 0
-10a + 0 = 0 + -1x
-10a = 0 + -1x
Remove the zero:
-10a = -1x

Divide each side by '-10'.
a = 0.1x

Simplifying
a = 0.1x

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