7(a+4b)-3c=m

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Solution for 7(a+4b)-3c=m equation:


Simplifying
7(a + 4b) + -3c = m
(a * 7 + 4b * 7) + -3c = m
(7a + 28b) + -3c = m

Solving
7a + 28b + -3c = m

Solving for variable 'a'.

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

Add '-28b' to each side of the equation.
7a + 28b + -28b + -3c = -28b + m

Combine like terms: 28b + -28b = 0
7a + 0 + -3c = -28b + m
7a + -3c = -28b + m

Add '3c' to each side of the equation.
7a + -3c + 3c = -28b + 3c + m

Combine like terms: -3c + 3c = 0
7a + 0 = -28b + 3c + m
7a = -28b + 3c + m

Divide each side by '7'.
a = -4b + 0.4285714286c + 0.1428571429m

Simplifying
a = -4b + 0.4285714286c + 0.1428571429m

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