5(a+7)-7(2-3a)=47

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Solution for 5(a+7)-7(2-3a)=47 equation:


Simplifying
5(a + 7) + -7(2 + -3a) = 47

Reorder the terms:
5(7 + a) + -7(2 + -3a) = 47
(7 * 5 + a * 5) + -7(2 + -3a) = 47
(35 + 5a) + -7(2 + -3a) = 47
35 + 5a + (2 * -7 + -3a * -7) = 47
35 + 5a + (-14 + 21a) = 47

Reorder the terms:
35 + -14 + 5a + 21a = 47

Combine like terms: 35 + -14 = 21
21 + 5a + 21a = 47

Combine like terms: 5a + 21a = 26a
21 + 26a = 47

Solving
21 + 26a = 47

Solving for variable 'a'.

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

Add '-21' to each side of the equation.
21 + -21 + 26a = 47 + -21

Combine like terms: 21 + -21 = 0
0 + 26a = 47 + -21
26a = 47 + -21

Combine like terms: 47 + -21 = 26
26a = 26

Divide each side by '26'.
a = 1

Simplifying
a = 1

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