5*3+a=3*1-2a

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Solution for 5*3+a=3*1-2a equation:


Simplifying
5 * 3 + a = 3 * 1 + -2a

Multiply 5 * 3
15 + a = 3 * 1 + -2a

Multiply 3 * 1
15 + a = 3 + -2a

Solving
15 + a = 3 + -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.
15 + a + 2a = 3 + -2a + 2a

Combine like terms: a + 2a = 3a
15 + 3a = 3 + -2a + 2a

Combine like terms: -2a + 2a = 0
15 + 3a = 3 + 0
15 + 3a = 3

Add '-15' to each side of the equation.
15 + -15 + 3a = 3 + -15

Combine like terms: 15 + -15 = 0
0 + 3a = 3 + -15
3a = 3 + -15

Combine like terms: 3 + -15 = -12
3a = -12

Divide each side by '3'.
a = -4

Simplifying
a = -4

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