5-2(a+15)=90

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Solution for 5-2(a+15)=90 equation:


Simplifying
5 + -2(a + 15) = 90

Reorder the terms:
5 + -2(15 + a) = 90
5 + (15 * -2 + a * -2) = 90
5 + (-30 + -2a) = 90

Combine like terms: 5 + -30 = -25
-25 + -2a = 90

Solving
-25 + -2a = 90

Solving for variable 'a'.

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

Add '25' to each side of the equation.
-25 + 25 + -2a = 90 + 25

Combine like terms: -25 + 25 = 0
0 + -2a = 90 + 25
-2a = 90 + 25

Combine like terms: 90 + 25 = 115
-2a = 115

Divide each side by '-2'.
a = -57.5

Simplifying
a = -57.5

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