5(7-a)-3(a+4)-4=4(a-3)-7

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Solution for 5(7-a)-3(a+4)-4=4(a-3)-7 equation:


Simplifying
5(7 + -1a) + -3(a + 4) + -4 = 4(a + -3) + -7
(7 * 5 + -1a * 5) + -3(a + 4) + -4 = 4(a + -3) + -7
(35 + -5a) + -3(a + 4) + -4 = 4(a + -3) + -7

Reorder the terms:
35 + -5a + -3(4 + a) + -4 = 4(a + -3) + -7
35 + -5a + (4 * -3 + a * -3) + -4 = 4(a + -3) + -7
35 + -5a + (-12 + -3a) + -4 = 4(a + -3) + -7

Reorder the terms:
35 + -12 + -4 + -5a + -3a = 4(a + -3) + -7

Combine like terms: 35 + -12 = 23
23 + -4 + -5a + -3a = 4(a + -3) + -7

Combine like terms: 23 + -4 = 19
19 + -5a + -3a = 4(a + -3) + -7

Combine like terms: -5a + -3a = -8a
19 + -8a = 4(a + -3) + -7

Reorder the terms:
19 + -8a = 4(-3 + a) + -7
19 + -8a = (-3 * 4 + a * 4) + -7
19 + -8a = (-12 + 4a) + -7

Reorder the terms:
19 + -8a = -12 + -7 + 4a

Combine like terms: -12 + -7 = -19
19 + -8a = -19 + 4a

Solving
19 + -8a = -19 + 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.
19 + -8a + -4a = -19 + 4a + -4a

Combine like terms: -8a + -4a = -12a
19 + -12a = -19 + 4a + -4a

Combine like terms: 4a + -4a = 0
19 + -12a = -19 + 0
19 + -12a = -19

Add '-19' to each side of the equation.
19 + -19 + -12a = -19 + -19

Combine like terms: 19 + -19 = 0
0 + -12a = -19 + -19
-12a = -19 + -19

Combine like terms: -19 + -19 = -38
-12a = -38

Divide each side by '-12'.
a = 3.166666667

Simplifying
a = 3.166666667

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