1-5a-2a=22

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Solution for 1-5a-2a=22 equation: 


Simplifying
1 + -5a + -2a = 22

Combine like terms: -5a + -2a = -7a
1 + -7a = 22

Solving
1 + -7a = 22

Solving for variable 'a'.

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

Add '-1' to each side of the equation.
1 + -1 + -7a = 22 + -1

Combine like terms: 1 + -1 = 0
0 + -7a = 22 + -1
-7a = 22 + -1

Combine like terms: 22 + -1 = 21
-7a = 21

Divide each side by '-7'.
a = -3

Simplifying
a = -3

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