5(a-7)+18=2(a-4)

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Solution for 5(a-7)+18=2(a-4) equation:


Simplifying
5(a + -7) + 18 = 2(a + -4)

Reorder the terms:
5(-7 + a) + 18 = 2(a + -4)
(-7 * 5 + a * 5) + 18 = 2(a + -4)
(-35 + 5a) + 18 = 2(a + -4)

Reorder the terms:
-35 + 18 + 5a = 2(a + -4)

Combine like terms: -35 + 18 = -17
-17 + 5a = 2(a + -4)

Reorder the terms:
-17 + 5a = 2(-4 + a)
-17 + 5a = (-4 * 2 + a * 2)
-17 + 5a = (-8 + 2a)

Solving
-17 + 5a = -8 + 2a

Solving for variable 'a'.

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

Add '-2a' to each side of the equation.
-17 + 5a + -2a = -8 + 2a + -2a

Combine like terms: 5a + -2a = 3a
-17 + 3a = -8 + 2a + -2a

Combine like terms: 2a + -2a = 0
-17 + 3a = -8 + 0
-17 + 3a = -8

Add '17' to each side of the equation.
-17 + 17 + 3a = -8 + 17

Combine like terms: -17 + 17 = 0
0 + 3a = -8 + 17
3a = -8 + 17

Combine like terms: -8 + 17 = 9
3a = 9

Divide each side by '3'.
a = 3

Simplifying
a = 3

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