10-3(a+4)=15

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Solution for 10-3(a+4)=15 equation:


Simplifying
10 + -3(a + 4) = 15

Reorder the terms:
10 + -3(4 + a) = 15
10 + (4 * -3 + a * -3) = 15
10 + (-12 + -3a) = 15

Combine like terms: 10 + -12 = -2
-2 + -3a = 15

Solving
-2 + -3a = 15

Solving for variable 'a'.

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

Add '2' to each side of the equation.
-2 + 2 + -3a = 15 + 2

Combine like terms: -2 + 2 = 0
0 + -3a = 15 + 2
-3a = 15 + 2

Combine like terms: 15 + 2 = 17
-3a = 17

Divide each side by '-3'.
a = -5.666666667

Simplifying
a = -5.666666667

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