4a-6(7-3a)=-140

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Solution for 4a-6(7-3a)=-140 equation:


Simplifying
4a + -6(7 + -3a) = -140
4a + (7 * -6 + -3a * -6) = -140
4a + (-42 + 18a) = -140

Reorder the terms:
-42 + 4a + 18a = -140

Combine like terms: 4a + 18a = 22a
-42 + 22a = -140

Solving
-42 + 22a = -140

Solving for variable 'a'.

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

Add '42' to each side of the equation.
-42 + 42 + 22a = -140 + 42

Combine like terms: -42 + 42 = 0
0 + 22a = -140 + 42
22a = -140 + 42

Combine like terms: -140 + 42 = -98
22a = -98

Divide each side by '22'.
a = -4.454545455

Simplifying
a = -4.454545455

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