4a+9=7

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Solution for 4a+9=7 equation: 


Simplifying
4a + 9 = 7

Reorder the terms:
9 + 4a = 7

Solving
9 + 4a = 7

Solving for variable 'a'.

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

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

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

Combine like terms: 7 + -9 = -2
4a = -2

Divide each side by '4'.
a = -0.5

Simplifying
a = -0.5

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