4(2a)+7(-4b)+5(3c)=

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Solution for 4(2a)+7(-4b)+5(3c)= equation:


Simplifying
4(2a) + 7(-4b) + 5(3c) = 0

Remove parenthesis around (2a)
4 * 2a + 7(-4b) + 5(3c) = 0

Multiply 4 * 2
8a + 7(-4b) + 5(3c) = 0

Remove parenthesis around (-4b)
8a + 7 * -4b + 5(3c) = 0

Multiply 7 * -4
8a + -28b + 5(3c) = 0

Remove parenthesis around (3c)
8a + -28b + 5 * 3c = 0

Multiply 5 * 3
8a + -28b + 15c = 0

Solving
8a + -28b + 15c = 0

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.
8a + -28b + 28b + 15c = 0 + 28b

Combine like terms: -28b + 28b = 0
8a + 0 + 15c = 0 + 28b
8a + 15c = 0 + 28b
Remove the zero:
8a + 15c = 28b

Add '-15c' to each side of the equation.
8a + 15c + -15c = 28b + -15c

Combine like terms: 15c + -15c = 0
8a + 0 = 28b + -15c
8a = 28b + -15c

Divide each side by '8'.
a = 3.5b + -1.875c

Simplifying
a = 3.5b + -1.875c

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