4(a-40)=12

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Solution for 4(a-40)=12 equation:


Simplifying
4(a + -40) = 12

Reorder the terms:
4(-40 + a) = 12
(-40 * 4 + a * 4) = 12
(-160 + 4a) = 12

Solving
-160 + 4a = 12

Solving for variable 'a'.

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

Add '160' to each side of the equation.
-160 + 160 + 4a = 12 + 160

Combine like terms: -160 + 160 = 0
0 + 4a = 12 + 160
4a = 12 + 160

Combine like terms: 12 + 160 = 172
4a = 172

Divide each side by '4'.
a = 43

Simplifying
a = 43

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