-7a+9=3a+49

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Solution for -7a+9=3a+49 equation:


Simplifying
-7a + 9 = 3a + 49

Reorder the terms:
9 + -7a = 3a + 49

Reorder the terms:
9 + -7a = 49 + 3a

Solving
9 + -7a = 49 + 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.
9 + -7a + -3a = 49 + 3a + -3a

Combine like terms: -7a + -3a = -10a
9 + -10a = 49 + 3a + -3a

Combine like terms: 3a + -3a = 0
9 + -10a = 49 + 0
9 + -10a = 49

Add '-9' to each side of the equation.
9 + -9 + -10a = 49 + -9

Combine like terms: 9 + -9 = 0
0 + -10a = 49 + -9
-10a = 49 + -9

Combine like terms: 49 + -9 = 40
-10a = 40

Divide each side by '-10'.
a = -4

Simplifying
a = -4

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