17a-4*20-40=20-2a+50

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Solution for 17a-4*20-40=20-2a+50 equation:


Simplifying
17a + -4 * 20 + -40 = 20 + -2a + 50

Multiply -4 * 20
17a + -80 + -40 = 20 + -2a + 50

Reorder the terms:
-80 + -40 + 17a = 20 + -2a + 50

Combine like terms: -80 + -40 = -120
-120 + 17a = 20 + -2a + 50

Reorder the terms:
-120 + 17a = 20 + 50 + -2a

Combine like terms: 20 + 50 = 70
-120 + 17a = 70 + -2a

Solving
-120 + 17a = 70 + -2a

Solving for variable 'a'.

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

Add '2a' to each side of the equation.
-120 + 17a + 2a = 70 + -2a + 2a

Combine like terms: 17a + 2a = 19a
-120 + 19a = 70 + -2a + 2a

Combine like terms: -2a + 2a = 0
-120 + 19a = 70 + 0
-120 + 19a = 70

Add '120' to each side of the equation.
-120 + 120 + 19a = 70 + 120

Combine like terms: -120 + 120 = 0
0 + 19a = 70 + 120
19a = 70 + 120

Combine like terms: 70 + 120 = 190
19a = 190

Divide each side by '19'.
a = 10

Simplifying
a = 10

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