7a=3(a-4)

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


Simplifying
7a = 3(a + -4)

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

Solving
7a = -12 + 3a

Solving for variable 'a'.

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

Add '-3a' to each side of the equation.
7a + -3a = -12 + 3a + -3a

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

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

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

Simplifying
a = -3

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