10(4a+5b)-8(7a+2)=

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Solution for 10(4a+5b)-8(7a+2)= equation:


Simplifying
10(4a + 5b) + -8(7a + 2) = 0
(4a * 10 + 5b * 10) + -8(7a + 2) = 0
(40a + 50b) + -8(7a + 2) = 0

Reorder the terms:
40a + 50b + -8(2 + 7a) = 0
40a + 50b + (2 * -8 + 7a * -8) = 0
40a + 50b + (-16 + -56a) = 0

Reorder the terms:
-16 + 40a + -56a + 50b = 0

Combine like terms: 40a + -56a = -16a
-16 + -16a + 50b = 0

Solving
-16 + -16a + 50b = 0

Solving for variable 'a'.

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

Add '16' to each side of the equation.
-16 + -16a + 16 + 50b = 0 + 16

Reorder the terms:
-16 + 16 + -16a + 50b = 0 + 16

Combine like terms: -16 + 16 = 0
0 + -16a + 50b = 0 + 16
-16a + 50b = 0 + 16

Combine like terms: 0 + 16 = 16
-16a + 50b = 16

Add '-50b' to each side of the equation.
-16a + 50b + -50b = 16 + -50b

Combine like terms: 50b + -50b = 0
-16a + 0 = 16 + -50b
-16a = 16 + -50b

Divide each side by '-16'.
a = -1 + 3.125b

Simplifying
a = -1 + 3.125b

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