3a-1=11(a-7)

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Solution for 3a-1=11(a-7) equation:


Simplifying
3a + -1 = 11(a + -7)

Reorder the terms:
-1 + 3a = 11(a + -7)

Reorder the terms:
-1 + 3a = 11(-7 + a)
-1 + 3a = (-7 * 11 + a * 11)
-1 + 3a = (-77 + 11a)

Solving
-1 + 3a = -77 + 11a

Solving for variable 'a'.

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

Add '-11a' to each side of the equation.
-1 + 3a + -11a = -77 + 11a + -11a

Combine like terms: 3a + -11a = -8a
-1 + -8a = -77 + 11a + -11a

Combine like terms: 11a + -11a = 0
-1 + -8a = -77 + 0
-1 + -8a = -77

Add '1' to each side of the equation.
-1 + 1 + -8a = -77 + 1

Combine like terms: -1 + 1 = 0
0 + -8a = -77 + 1
-8a = -77 + 1

Combine like terms: -77 + 1 = -76
-8a = -76

Divide each side by '-8'.
a = 9.5

Simplifying
a = 9.5

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