50-3a=7a+80

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Solution for 50-3a=7a+80 equation:


Simplifying
50 + -3a = 7a + 80

Reorder the terms:
50 + -3a = 80 + 7a

Solving
50 + -3a = 80 + 7a

Solving for variable 'a'.

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

Add '-7a' to each side of the equation.
50 + -3a + -7a = 80 + 7a + -7a

Combine like terms: -3a + -7a = -10a
50 + -10a = 80 + 7a + -7a

Combine like terms: 7a + -7a = 0
50 + -10a = 80 + 0
50 + -10a = 80

Add '-50' to each side of the equation.
50 + -50 + -10a = 80 + -50

Combine like terms: 50 + -50 = 0
0 + -10a = 80 + -50
-10a = 80 + -50

Combine like terms: 80 + -50 = 30
-10a = 30

Divide each side by '-10'.
a = -3

Simplifying
a = -3

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