-3a+15-2+5(2a-5)=

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


Simplifying
-3a + 15 + -2 + 5(2a + -5) = 0

Reorder the terms:
-3a + 15 + -2 + 5(-5 + 2a) = 0
-3a + 15 + -2 + (-5 * 5 + 2a * 5) = 0
-3a + 15 + -2 + (-25 + 10a) = 0

Reorder the terms:
15 + -2 + -25 + -3a + 10a = 0

Combine like terms: 15 + -2 = 13
13 + -25 + -3a + 10a = 0

Combine like terms: 13 + -25 = -12
-12 + -3a + 10a = 0

Combine like terms: -3a + 10a = 7a
-12 + 7a = 0

Solving
-12 + 7a = 0

Solving for variable 'a'.

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

Add '12' to each side of the equation.
-12 + 12 + 7a = 0 + 12

Combine like terms: -12 + 12 = 0
0 + 7a = 0 + 12
7a = 0 + 12

Combine like terms: 0 + 12 = 12
7a = 12

Divide each side by '7'.
a = 1.714285714

Simplifying
a = 1.714285714

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