40=2a+3*4

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Solution for 40=2a+3*4 equation:


Simplifying
40 = 2a + 3 * 4

Multiply 3 * 4
40 = 2a + 12

Reorder the terms:
40 = 12 + 2a

Solving
40 = 12 + 2a

Solving for variable 'a'.

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

Add '-2a' to each side of the equation.
40 + -2a = 12 + 2a + -2a

Combine like terms: 2a + -2a = 0
40 + -2a = 12 + 0
40 + -2a = 12

Add '-40' to each side of the equation.
40 + -40 + -2a = 12 + -40

Combine like terms: 40 + -40 = 0
0 + -2a = 12 + -40
-2a = 12 + -40

Combine like terms: 12 + -40 = -28
-2a = -28

Divide each side by '-2'.
a = 14

Simplifying
a = 14

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