4(-a-3)+3(-7a-2)=32

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Solution for 4(-a-3)+3(-7a-2)=32 equation:


Simplifying
4(-1a + -3) + 3(-7a + -2) = 32

Reorder the terms:
4(-3 + -1a) + 3(-7a + -2) = 32
(-3 * 4 + -1a * 4) + 3(-7a + -2) = 32
(-12 + -4a) + 3(-7a + -2) = 32

Reorder the terms:
-12 + -4a + 3(-2 + -7a) = 32
-12 + -4a + (-2 * 3 + -7a * 3) = 32
-12 + -4a + (-6 + -21a) = 32

Reorder the terms:
-12 + -6 + -4a + -21a = 32

Combine like terms: -12 + -6 = -18
-18 + -4a + -21a = 32

Combine like terms: -4a + -21a = -25a
-18 + -25a = 32

Solving
-18 + -25a = 32

Solving for variable 'a'.

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

Add '18' to each side of the equation.
-18 + 18 + -25a = 32 + 18

Combine like terms: -18 + 18 = 0
0 + -25a = 32 + 18
-25a = 32 + 18

Combine like terms: 32 + 18 = 50
-25a = 50

Divide each side by '-25'.
a = -2

Simplifying
a = -2

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