5(a-7)=70

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Solution for 5(a-7)=70 equation: 


Simplifying
5(a + -7) = 70

Reorder the terms:
5(-7 + a) = 70
(-7 * 5 + a * 5) = 70
(-35 + 5a) = 70

Solving
-35 + 5a = 70

Solving for variable 'a'.

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

Add '35' to each side of the equation.
-35 + 35 + 5a = 70 + 35

Combine like terms: -35 + 35 = 0
0 + 5a = 70 + 35
5a = 70 + 35

Combine like terms: 70 + 35 = 105
5a = 105

Divide each side by '5'.
a = 21

Simplifying
a = 21

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