-40=10(4+a)

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Solution for -40=10(4+a) equation:


Simplifying
-40 = 10(4 + a)
-40 = (4 * 10 + a * 10)
-40 = (40 + 10a)

Solving
-40 = 40 + 10a

Solving for variable 'a'.

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

Add '-10a' to each side of the equation.
-40 + -10a = 40 + 10a + -10a

Combine like terms: 10a + -10a = 0
-40 + -10a = 40 + 0
-40 + -10a = 40

Add '40' to each side of the equation.
-40 + 40 + -10a = 40 + 40

Combine like terms: -40 + 40 = 0
0 + -10a = 40 + 40
-10a = 40 + 40

Combine like terms: 40 + 40 = 80
-10a = 80

Divide each side by '-10'.
a = -8

Simplifying
a = -8

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