-7a+9=3a+4a

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Solution for -7a+9=3a+4a equation:


Simplifying
-7a + 9 = 3a + 4a

Reorder the terms:
9 + -7a = 3a + 4a

Combine like terms: 3a + 4a = 7a
9 + -7a = 7a

Solving
9 + -7a = 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.
9 + -7a + -7a = 7a + -7a

Combine like terms: -7a + -7a = -14a
9 + -14a = 7a + -7a

Combine like terms: 7a + -7a = 0
9 + -14a = 0

Add '-9' to each side of the equation.
9 + -9 + -14a = 0 + -9

Combine like terms: 9 + -9 = 0
0 + -14a = 0 + -9
-14a = 0 + -9

Combine like terms: 0 + -9 = -9
-14a = -9

Divide each side by '-14'.
a = 0.6428571429

Simplifying
a = 0.6428571429

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