7(a-3)=2(5a-8)

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Solution for 7(a-3)=2(5a-8) equation:


Simplifying
7(a + -3) = 2(5a + -8)

Reorder the terms:
7(-3 + a) = 2(5a + -8)
(-3 * 7 + a * 7) = 2(5a + -8)
(-21 + 7a) = 2(5a + -8)

Reorder the terms:
-21 + 7a = 2(-8 + 5a)
-21 + 7a = (-8 * 2 + 5a * 2)
-21 + 7a = (-16 + 10a)

Solving
-21 + 7a = -16 + 10a

Solving for variable 'a'.

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

Add '-10a' to each side of the equation.
-21 + 7a + -10a = -16 + 10a + -10a

Combine like terms: 7a + -10a = -3a
-21 + -3a = -16 + 10a + -10a

Combine like terms: 10a + -10a = 0
-21 + -3a = -16 + 0
-21 + -3a = -16

Add '21' to each side of the equation.
-21 + 21 + -3a = -16 + 21

Combine like terms: -21 + 21 = 0
0 + -3a = -16 + 21
-3a = -16 + 21

Combine like terms: -16 + 21 = 5
-3a = 5

Divide each side by '-3'.
a = -1.666666667

Simplifying
a = -1.666666667

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