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

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


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

Reorder the terms:
-3(2 + 5a) + 7 = 19
(2 * -3 + 5a * -3) + 7 = 19
(-6 + -15a) + 7 = 19

Reorder the terms:
-6 + 7 + -15a = 19

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

Solving
1 + -15a = 19

Solving for variable 'a'.

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

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

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

Combine like terms: 19 + -1 = 18
-15a = 18

Divide each side by '-15'.
a = -1.2

Simplifying
a = -1.2

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