4a+7(2a-5)-5(3a+1)=5

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Solution for 4a+7(2a-5)-5(3a+1)=5 equation:


Simplifying
4a + 7(2a + -5) + -5(3a + 1) = 5

Reorder the terms:
4a + 7(-5 + 2a) + -5(3a + 1) = 5
4a + (-5 * 7 + 2a * 7) + -5(3a + 1) = 5
4a + (-35 + 14a) + -5(3a + 1) = 5

Reorder the terms:
4a + -35 + 14a + -5(1 + 3a) = 5
4a + -35 + 14a + (1 * -5 + 3a * -5) = 5
4a + -35 + 14a + (-5 + -15a) = 5

Reorder the terms:
-35 + -5 + 4a + 14a + -15a = 5

Combine like terms: -35 + -5 = -40
-40 + 4a + 14a + -15a = 5

Combine like terms: 4a + 14a = 18a
-40 + 18a + -15a = 5

Combine like terms: 18a + -15a = 3a
-40 + 3a = 5

Solving
-40 + 3a = 5

Solving for variable 'a'.

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

Add '40' to each side of the equation.
-40 + 40 + 3a = 5 + 40

Combine like terms: -40 + 40 = 0
0 + 3a = 5 + 40
3a = 5 + 40

Combine like terms: 5 + 40 = 45
3a = 45

Divide each side by '3'.
a = 15

Simplifying
a = 15

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