-9a+4=-2(a+5)

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Solution for -9a+4=-2(a+5) equation:


Simplifying
-9a + 4 = -2(a + 5)

Reorder the terms:
4 + -9a = -2(a + 5)

Reorder the terms:
4 + -9a = -2(5 + a)
4 + -9a = (5 * -2 + a * -2)
4 + -9a = (-10 + -2a)

Solving
4 + -9a = -10 + -2a

Solving for variable 'a'.

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

Add '2a' to each side of the equation.
4 + -9a + 2a = -10 + -2a + 2a

Combine like terms: -9a + 2a = -7a
4 + -7a = -10 + -2a + 2a

Combine like terms: -2a + 2a = 0
4 + -7a = -10 + 0
4 + -7a = -10

Add '-4' to each side of the equation.
4 + -4 + -7a = -10 + -4

Combine like terms: 4 + -4 = 0
0 + -7a = -10 + -4
-7a = -10 + -4

Combine like terms: -10 + -4 = -14
-7a = -14

Divide each side by '-7'.
a = 2

Simplifying
a = 2

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