-5[a+2]=2a+4

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Solution for -5[a+2]=2a+4 equation:


Simplifying
-5[a + 2] = 2a + 4

Reorder the terms:
-5[2 + a] = 2a + 4
[2 * -5 + a * -5] = 2a + 4
[-10 + -5a] = 2a + 4

Reorder the terms:
-10 + -5a = 4 + 2a

Solving
-10 + -5a = 4 + 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.
-10 + -5a + -2a = 4 + 2a + -2a

Combine like terms: -5a + -2a = -7a
-10 + -7a = 4 + 2a + -2a

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

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

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

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

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

Simplifying
a = -2

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