7a-3=4(a-3)

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Solution for 7a-3=4(a-3) equation:


Simplifying
7a + -3 = 4(a + -3)

Reorder the terms:
-3 + 7a = 4(a + -3)

Reorder the terms:
-3 + 7a = 4(-3 + a)
-3 + 7a = (-3 * 4 + a * 4)
-3 + 7a = (-12 + 4a)

Solving
-3 + 7a = -12 + 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.
-3 + 7a + -4a = -12 + 4a + -4a

Combine like terms: 7a + -4a = 3a
-3 + 3a = -12 + 4a + -4a

Combine like terms: 4a + -4a = 0
-3 + 3a = -12 + 0
-3 + 3a = -12

Add '3' to each side of the equation.
-3 + 3 + 3a = -12 + 3

Combine like terms: -3 + 3 = 0
0 + 3a = -12 + 3
3a = -12 + 3

Combine like terms: -12 + 3 = -9
3a = -9

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

Simplifying
a = -3

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