7(a-6)+7=4(a-5)

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Solution for 7(a-6)+7=4(a-5) equation:


Simplifying
7(a + -6) + 7 = 4(a + -5)

Reorder the terms:
7(-6 + a) + 7 = 4(a + -5)
(-6 * 7 + a * 7) + 7 = 4(a + -5)
(-42 + 7a) + 7 = 4(a + -5)

Reorder the terms:
-42 + 7 + 7a = 4(a + -5)

Combine like terms: -42 + 7 = -35
-35 + 7a = 4(a + -5)

Reorder the terms:
-35 + 7a = 4(-5 + a)
-35 + 7a = (-5 * 4 + a * 4)
-35 + 7a = (-20 + 4a)

Solving
-35 + 7a = -20 + 4a

Solving for variable 'a'.

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

Add '-4a' to each side of the equation.
-35 + 7a + -4a = -20 + 4a + -4a

Combine like terms: 7a + -4a = 3a
-35 + 3a = -20 + 4a + -4a

Combine like terms: 4a + -4a = 0
-35 + 3a = -20 + 0
-35 + 3a = -20

Add '35' to each side of the equation.
-35 + 35 + 3a = -20 + 35

Combine like terms: -35 + 35 = 0
0 + 3a = -20 + 35
3a = -20 + 35

Combine like terms: -20 + 35 = 15
3a = 15

Divide each side by '3'.
a = 5

Simplifying
a = 5

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