2a+1=4a-9

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Solution for 2a+1=4a-9 equation:


Simplifying
2a + 1 = 4a + -9

Reorder the terms:
1 + 2a = 4a + -9

Reorder the terms:
1 + 2a = -9 + 4a

Solving
1 + 2a = -9 + 4a

Solving for variable 'a'.

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

Add '-4a' to each side of the equation.
1 + 2a + -4a = -9 + 4a + -4a

Combine like terms: 2a + -4a = -2a
1 + -2a = -9 + 4a + -4a

Combine like terms: 4a + -4a = 0
1 + -2a = -9 + 0
1 + -2a = -9

Add '-1' to each side of the equation.
1 + -1 + -2a = -9 + -1

Combine like terms: 1 + -1 = 0
0 + -2a = -9 + -1
-2a = -9 + -1

Combine like terms: -9 + -1 = -10
-2a = -10

Divide each side by '-2'.
a = 5

Simplifying
a = 5

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