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

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


Simplifying
-4(a + -2b) + 3(5 + -1a) = 4
(a * -4 + -2b * -4) + 3(5 + -1a) = 4
(-4a + 8b) + 3(5 + -1a) = 4
-4a + 8b + (5 * 3 + -1a * 3) = 4
-4a + 8b + (15 + -3a) = 4

Reorder the terms:
15 + -4a + -3a + 8b = 4

Combine like terms: -4a + -3a = -7a
15 + -7a + 8b = 4

Solving
15 + -7a + 8b = 4

Solving for variable 'a'.

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

Add '-15' to each side of the equation.
15 + -7a + -15 + 8b = 4 + -15

Reorder the terms:
15 + -15 + -7a + 8b = 4 + -15

Combine like terms: 15 + -15 = 0
0 + -7a + 8b = 4 + -15
-7a + 8b = 4 + -15

Combine like terms: 4 + -15 = -11
-7a + 8b = -11

Add '-8b' to each side of the equation.
-7a + 8b + -8b = -11 + -8b

Combine like terms: 8b + -8b = 0
-7a + 0 = -11 + -8b
-7a = -11 + -8b

Divide each side by '-7'.
a = 1.571428571 + 1.142857143b

Simplifying
a = 1.571428571 + 1.142857143b

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