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

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


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

Reorder the terms:
2(-7 + a) = 5(a + -4)
(-7 * 2 + a * 2) = 5(a + -4)
(-14 + 2a) = 5(a + -4)

Reorder the terms:
-14 + 2a = 5(-4 + a)
-14 + 2a = (-4 * 5 + a * 5)
-14 + 2a = (-20 + 5a)

Solving
-14 + 2a = -20 + 5a

Solving for variable 'a'.

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

Add '-5a' to each side of the equation.
-14 + 2a + -5a = -20 + 5a + -5a

Combine like terms: 2a + -5a = -3a
-14 + -3a = -20 + 5a + -5a

Combine like terms: 5a + -5a = 0
-14 + -3a = -20 + 0
-14 + -3a = -20

Add '14' to each side of the equation.
-14 + 14 + -3a = -20 + 14

Combine like terms: -14 + 14 = 0
0 + -3a = -20 + 14
-3a = -20 + 14

Combine like terms: -20 + 14 = -6
-3a = -6

Divide each side by '-3'.
a = 2

Simplifying
a = 2

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