1(a)-15=4(a)-3

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Solution for 1(a)-15=4(a)-3 equation:


Simplifying
1(a) + -15 = 4(a) + -3

Reorder the terms:
-15 + 1a = 4(a) + -3

Reorder the terms:
-15 + 1a = -3 + 4a

Solving
-15 + 1a = -3 + 4a

Solving for variable 'a'.

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

Add '-4a' to each side of the equation.
-15 + 1a + -4a = -3 + 4a + -4a

Combine like terms: 1a + -4a = -3a
-15 + -3a = -3 + 4a + -4a

Combine like terms: 4a + -4a = 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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