3*-4+5=a

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Solution for 3*-4+5=a equation:


Simplifying
3 * -4 + 5 = a

Multiply 3 * -4
-12 + 5 = a

Combine like terms: -12 + 5 = -7
-7 = a

Solving
-7 = a

Solving for variable 'a'.

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

Add '-1a' to each side of the equation.
-7 + -1a = a + -1a

Combine like terms: a + -1a = 0
-7 + -1a = 0

Add '7' to each side of the equation.
-7 + 7 + -1a = 0 + 7

Combine like terms: -7 + 7 = 0
0 + -1a = 0 + 7
-1a = 0 + 7

Combine like terms: 0 + 7 = 7
-1a = 7

Divide each side by '-1'.
a = -7

Simplifying
a = -7

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