-4(a-1)-3a=-7(2a-3)

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Solution for -4(a-1)-3a=-7(2a-3) equation:


Simplifying
-4(a + -1) + -3a = -7(2a + -3)

Reorder the terms:
-4(-1 + a) + -3a = -7(2a + -3)
(-1 * -4 + a * -4) + -3a = -7(2a + -3)
(4 + -4a) + -3a = -7(2a + -3)

Combine like terms: -4a + -3a = -7a
4 + -7a = -7(2a + -3)

Reorder the terms:
4 + -7a = -7(-3 + 2a)
4 + -7a = (-3 * -7 + 2a * -7)
4 + -7a = (21 + -14a)

Solving
4 + -7a = 21 + -14a

Solving for variable 'a'.

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

Add '14a' to each side of the equation.
4 + -7a + 14a = 21 + -14a + 14a

Combine like terms: -7a + 14a = 7a
4 + 7a = 21 + -14a + 14a

Combine like terms: -14a + 14a = 0
4 + 7a = 21 + 0
4 + 7a = 21

Add '-4' to each side of the equation.
4 + -4 + 7a = 21 + -4

Combine like terms: 4 + -4 = 0
0 + 7a = 21 + -4
7a = 21 + -4

Combine like terms: 21 + -4 = 17
7a = 17

Divide each side by '7'.
a = 2.428571429

Simplifying
a = 2.428571429

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