7(2a+3)+5=4(5a-3)-4

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Solution for 7(2a+3)+5=4(5a-3)-4 equation:


Simplifying
7(2a + 3) + 5 = 4(5a + -3) + -4

Reorder the terms:
7(3 + 2a) + 5 = 4(5a + -3) + -4
(3 * 7 + 2a * 7) + 5 = 4(5a + -3) + -4
(21 + 14a) + 5 = 4(5a + -3) + -4

Reorder the terms:
21 + 5 + 14a = 4(5a + -3) + -4

Combine like terms: 21 + 5 = 26
26 + 14a = 4(5a + -3) + -4

Reorder the terms:
26 + 14a = 4(-3 + 5a) + -4
26 + 14a = (-3 * 4 + 5a * 4) + -4
26 + 14a = (-12 + 20a) + -4

Reorder the terms:
26 + 14a = -12 + -4 + 20a

Combine like terms: -12 + -4 = -16
26 + 14a = -16 + 20a

Solving
26 + 14a = -16 + 20a

Solving for variable 'a'.

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

Add '-20a' to each side of the equation.
26 + 14a + -20a = -16 + 20a + -20a

Combine like terms: 14a + -20a = -6a
26 + -6a = -16 + 20a + -20a

Combine like terms: 20a + -20a = 0
26 + -6a = -16 + 0
26 + -6a = -16

Add '-26' to each side of the equation.
26 + -26 + -6a = -16 + -26

Combine like terms: 26 + -26 = 0
0 + -6a = -16 + -26
-6a = -16 + -26

Combine like terms: -16 + -26 = -42
-6a = -42

Divide each side by '-6'.
a = 7

Simplifying
a = 7

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