26=-a+7(a-4)

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Solution for 26=-a+7(a-4) equation:


Simplifying
26 = -1a + 7(a + -4)

Reorder the terms:
26 = -1a + 7(-4 + a)
26 = -1a + (-4 * 7 + a * 7)
26 = -1a + (-28 + 7a)

Reorder the terms:
26 = -28 + -1a + 7a

Combine like terms: -1a + 7a = 6a
26 = -28 + 6a

Solving
26 = -28 + 6a

Solving for variable 'a'.

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

Add '-6a' to each side of the equation.
26 + -6a = -28 + 6a + -6a

Combine like terms: 6a + -6a = 0
26 + -6a = -28 + 0
26 + -6a = -28

Add '-26' to each side of the equation.
26 + -26 + -6a = -28 + -26

Combine like terms: 26 + -26 = 0
0 + -6a = -28 + -26
-6a = -28 + -26

Combine like terms: -28 + -26 = -54
-6a = -54

Divide each side by '-6'.
a = 9

Simplifying
a = 9

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