-3+7(-5-2a)=-11(a+7)

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Solution for -3+7(-5-2a)=-11(a+7) equation:


Simplifying
-3 + 7(-5 + -2a) = -11(a + 7)
-3 + (-5 * 7 + -2a * 7) = -11(a + 7)
-3 + (-35 + -14a) = -11(a + 7)

Combine like terms: -3 + -35 = -38
-38 + -14a = -11(a + 7)

Reorder the terms:
-38 + -14a = -11(7 + a)
-38 + -14a = (7 * -11 + a * -11)
-38 + -14a = (-77 + -11a)

Solving
-38 + -14a = -77 + -11a

Solving for variable 'a'.

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

Add '11a' to each side of the equation.
-38 + -14a + 11a = -77 + -11a + 11a

Combine like terms: -14a + 11a = -3a
-38 + -3a = -77 + -11a + 11a

Combine like terms: -11a + 11a = 0
-38 + -3a = -77 + 0
-38 + -3a = -77

Add '38' to each side of the equation.
-38 + 38 + -3a = -77 + 38

Combine like terms: -38 + 38 = 0
0 + -3a = -77 + 38
-3a = -77 + 38

Combine like terms: -77 + 38 = -39
-3a = -39

Divide each side by '-3'.
a = 13

Simplifying
a = 13

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