7(2-3a)-15(2a-5)=16

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Solution for 7(2-3a)-15(2a-5)=16 equation:


Simplifying
7(2 + -3a) + -15(2a + -5) = 16
(2 * 7 + -3a * 7) + -15(2a + -5) = 16
(14 + -21a) + -15(2a + -5) = 16

Reorder the terms:
14 + -21a + -15(-5 + 2a) = 16
14 + -21a + (-5 * -15 + 2a * -15) = 16
14 + -21a + (75 + -30a) = 16

Reorder the terms:
14 + 75 + -21a + -30a = 16

Combine like terms: 14 + 75 = 89
89 + -21a + -30a = 16

Combine like terms: -21a + -30a = -51a
89 + -51a = 16

Solving
89 + -51a = 16

Solving for variable 'a'.

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

Add '-89' to each side of the equation.
89 + -89 + -51a = 16 + -89

Combine like terms: 89 + -89 = 0
0 + -51a = 16 + -89
-51a = 16 + -89

Combine like terms: 16 + -89 = -73
-51a = -73

Divide each side by '-51'.
a = 1.431372549

Simplifying
a = 1.431372549

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