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

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


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

Reorder the terms:
7(2 + a) + 3 = -2(2 + -5a)
(2 * 7 + a * 7) + 3 = -2(2 + -5a)
(14 + 7a) + 3 = -2(2 + -5a)

Reorder the terms:
14 + 3 + 7a = -2(2 + -5a)

Combine like terms: 14 + 3 = 17
17 + 7a = -2(2 + -5a)
17 + 7a = (2 * -2 + -5a * -2)
17 + 7a = (-4 + 10a)

Solving
17 + 7a = -4 + 10a

Solving for variable 'a'.

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

Add '-10a' to each side of the equation.
17 + 7a + -10a = -4 + 10a + -10a

Combine like terms: 7a + -10a = -3a
17 + -3a = -4 + 10a + -10a

Combine like terms: 10a + -10a = 0
17 + -3a = -4 + 0
17 + -3a = -4

Add '-17' to each side of the equation.
17 + -17 + -3a = -4 + -17

Combine like terms: 17 + -17 = 0
0 + -3a = -4 + -17
-3a = -4 + -17

Combine like terms: -4 + -17 = -21
-3a = -21

Divide each side by '-3'.
a = 7

Simplifying
a = 7

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