30(a-2)-5(4-a)=40(a-7)+194

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Solution for 30(a-2)-5(4-a)=40(a-7)+194 equation:


Simplifying
30(a + -2) + -5(4 + -1a) = 40(a + -7) + 194

Reorder the terms:
30(-2 + a) + -5(4 + -1a) = 40(a + -7) + 194
(-2 * 30 + a * 30) + -5(4 + -1a) = 40(a + -7) + 194
(-60 + 30a) + -5(4 + -1a) = 40(a + -7) + 194
-60 + 30a + (4 * -5 + -1a * -5) = 40(a + -7) + 194
-60 + 30a + (-20 + 5a) = 40(a + -7) + 194

Reorder the terms:
-60 + -20 + 30a + 5a = 40(a + -7) + 194

Combine like terms: -60 + -20 = -80
-80 + 30a + 5a = 40(a + -7) + 194

Combine like terms: 30a + 5a = 35a
-80 + 35a = 40(a + -7) + 194

Reorder the terms:
-80 + 35a = 40(-7 + a) + 194
-80 + 35a = (-7 * 40 + a * 40) + 194
-80 + 35a = (-280 + 40a) + 194

Reorder the terms:
-80 + 35a = -280 + 194 + 40a

Combine like terms: -280 + 194 = -86
-80 + 35a = -86 + 40a

Solving
-80 + 35a = -86 + 40a

Solving for variable 'a'.

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

Add '-40a' to each side of the equation.
-80 + 35a + -40a = -86 + 40a + -40a

Combine like terms: 35a + -40a = -5a
-80 + -5a = -86 + 40a + -40a

Combine like terms: 40a + -40a = 0
-80 + -5a = -86 + 0
-80 + -5a = -86

Add '80' to each side of the equation.
-80 + 80 + -5a = -86 + 80

Combine like terms: -80 + 80 = 0
0 + -5a = -86 + 80
-5a = -86 + 80

Combine like terms: -86 + 80 = -6
-5a = -6

Divide each side by '-5'.
a = 1.2

Simplifying
a = 1.2

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