4a+7b+2c=-9

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Solution for 4a+7b+2c=-9 equation:


Simplifying
4a + 7b + 2c = -9

Solving
4a + 7b + 2c = -9

Solving for variable 'a'.

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

Add '-7b' to each side of the equation.
4a + 7b + -7b + 2c = -9 + -7b

Combine like terms: 7b + -7b = 0
4a + 0 + 2c = -9 + -7b
4a + 2c = -9 + -7b

Add '-2c' to each side of the equation.
4a + 2c + -2c = -9 + -7b + -2c

Combine like terms: 2c + -2c = 0
4a + 0 = -9 + -7b + -2c
4a = -9 + -7b + -2c

Divide each side by '4'.
a = -2.25 + -1.75b + -0.5c

Simplifying
a = -2.25 + -1.75b + -0.5c

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