2(5a+10)-3(2a+1)=

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Solution for 2(5a+10)-3(2a+1)= equation:


Simplifying
2(5a + 10) + -3(2a + 1) = 0

Reorder the terms:
2(10 + 5a) + -3(2a + 1) = 0
(10 * 2 + 5a * 2) + -3(2a + 1) = 0
(20 + 10a) + -3(2a + 1) = 0

Reorder the terms:
20 + 10a + -3(1 + 2a) = 0
20 + 10a + (1 * -3 + 2a * -3) = 0
20 + 10a + (-3 + -6a) = 0

Reorder the terms:
20 + -3 + 10a + -6a = 0

Combine like terms: 20 + -3 = 17
17 + 10a + -6a = 0

Combine like terms: 10a + -6a = 4a
17 + 4a = 0

Solving
17 + 4a = 0

Solving for variable 'a'.

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

Add '-17' to each side of the equation.
17 + -17 + 4a = 0 + -17

Combine like terms: 17 + -17 = 0
0 + 4a = 0 + -17
4a = 0 + -17

Combine like terms: 0 + -17 = -17
4a = -17

Divide each side by '4'.
a = -4.25

Simplifying
a = -4.25

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