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

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


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

Reorder the terms:
3(5 + 2a) + -5(a + -2) = 0
(5 * 3 + 2a * 3) + -5(a + -2) = 0
(15 + 6a) + -5(a + -2) = 0

Reorder the terms:
15 + 6a + -5(-2 + a) = 0
15 + 6a + (-2 * -5 + a * -5) = 0
15 + 6a + (10 + -5a) = 0

Reorder the terms:
15 + 10 + 6a + -5a = 0

Combine like terms: 15 + 10 = 25
25 + 6a + -5a = 0

Combine like terms: 6a + -5a = 1a
25 + 1a = 0

Solving
25 + 1a = 0

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 + 1a = 0 + -25

Combine like terms: 25 + -25 = 0
0 + 1a = 0 + -25
1a = 0 + -25

Combine like terms: 0 + -25 = -25
1a = -25

Divide each side by '1'.
a = -25

Simplifying
a = -25

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