17-4a=7(a-7)

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Solution for 17-4a=7(a-7) equation:


Simplifying
17 + -4a = 7(a + -7)

Reorder the terms:
17 + -4a = 7(-7 + a)
17 + -4a = (-7 * 7 + a * 7)
17 + -4a = (-49 + 7a)

Solving
17 + -4a = -49 + 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.
17 + -4a + -7a = -49 + 7a + -7a

Combine like terms: -4a + -7a = -11a
17 + -11a = -49 + 7a + -7a

Combine like terms: 7a + -7a = 0
17 + -11a = -49 + 0
17 + -11a = -49

Add '-17' to each side of the equation.
17 + -17 + -11a = -49 + -17

Combine like terms: 17 + -17 = 0
0 + -11a = -49 + -17
-11a = -49 + -17

Combine like terms: -49 + -17 = -66
-11a = -66

Divide each side by '-11'.
a = 6

Simplifying
a = 6

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