1.3(a-0.4)-3.1(b+0.7)=

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Solution for 1.3(a-0.4)-3.1(b+0.7)= equation:


Simplifying
1.3(a + -0.4) + -3.1(b + 0.7) = 0

Reorder the terms:
1.3(-0.4 + a) + -3.1(b + 0.7) = 0
(-0.4 * 1.3 + a * 1.3) + -3.1(b + 0.7) = 0
(-0.52 + 1.3a) + -3.1(b + 0.7) = 0

Reorder the terms:
-0.52 + 1.3a + -3.1(0.7 + b) = 0
-0.52 + 1.3a + (0.7 * -3.1 + b * -3.1) = 0
-0.52 + 1.3a + (-2.17 + -3.1b) = 0

Reorder the terms:
-0.52 + -2.17 + 1.3a + -3.1b = 0

Combine like terms: -0.52 + -2.17 = -2.69
-2.69 + 1.3a + -3.1b = 0

Solving
-2.69 + 1.3a + -3.1b = 0

Solving for variable 'a'.

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

Add '2.69' to each side of the equation.
-2.69 + 1.3a + 2.69 + -3.1b = 0 + 2.69

Reorder the terms:
-2.69 + 2.69 + 1.3a + -3.1b = 0 + 2.69

Combine like terms: -2.69 + 2.69 = 0.00
0.00 + 1.3a + -3.1b = 0 + 2.69
1.3a + -3.1b = 0 + 2.69

Combine like terms: 0 + 2.69 = 2.69
1.3a + -3.1b = 2.69

Add '3.1b' to each side of the equation.
1.3a + -3.1b + 3.1b = 2.69 + 3.1b

Combine like terms: -3.1b + 3.1b = 0.0
1.3a + 0.0 = 2.69 + 3.1b
1.3a = 2.69 + 3.1b

Divide each side by '1.3'.
a = 2.069230769 + 2.384615385b

Simplifying
a = 2.069230769 + 2.384615385b

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