4x-9=7a+12

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Solution for 4x-9=7a+12 equation:


Simplifying
4x + -9 = 7a + 12

Reorder the terms:
-9 + 4x = 7a + 12

Reorder the terms:
-9 + 4x = 12 + 7a

Solving
-9 + 4x = 12 + 7a

Solving for variable 'x'.

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

Add '9' to each side of the equation.
-9 + 9 + 4x = 12 + 9 + 7a

Combine like terms: -9 + 9 = 0
0 + 4x = 12 + 9 + 7a
4x = 12 + 9 + 7a

Combine like terms: 12 + 9 = 21
4x = 21 + 7a

Divide each side by '4'.
x = 5.25 + 1.75a

Simplifying
x = 5.25 + 1.75a

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