19-5a=-7-3(-2-5a)

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Solution for 19-5a=-7-3(-2-5a) equation:


Simplifying
19 + -5a = -7 + -3(-2 + -5a)
19 + -5a = -7 + (-2 * -3 + -5a * -3)
19 + -5a = -7 + (6 + 15a)

Combine like terms: -7 + 6 = -1
19 + -5a = -1 + 15a

Solving
19 + -5a = -1 + 15a

Solving for variable 'a'.

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

Add '-15a' to each side of the equation.
19 + -5a + -15a = -1 + 15a + -15a

Combine like terms: -5a + -15a = -20a
19 + -20a = -1 + 15a + -15a

Combine like terms: 15a + -15a = 0
19 + -20a = -1 + 0
19 + -20a = -1

Add '-19' to each side of the equation.
19 + -19 + -20a = -1 + -19

Combine like terms: 19 + -19 = 0
0 + -20a = -1 + -19
-20a = -1 + -19

Combine like terms: -1 + -19 = -20
-20a = -20

Divide each side by '-20'.
a = 1

Simplifying
a = 1

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