5(3-7a)=-7a+15

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Solution for 5(3-7a)=-7a+15 equation:


Simplifying
5(3 + -7a) = -7a + 15
(3 * 5 + -7a * 5) = -7a + 15
(15 + -35a) = -7a + 15

Reorder the terms:
15 + -35a = 15 + -7a

Add '-15' to each side of the equation.
15 + -15 + -35a = 15 + -15 + -7a

Combine like terms: 15 + -15 = 0
0 + -35a = 15 + -15 + -7a
-35a = 15 + -15 + -7a

Combine like terms: 15 + -15 = 0
-35a = 0 + -7a
-35a = -7a

Solving
-35a = -7a

Solving for variable 'a'.

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

Add '7a' to each side of the equation.
-35a + 7a = -7a + 7a

Combine like terms: -35a + 7a = -28a
-28a = -7a + 7a

Combine like terms: -7a + 7a = 0
-28a = 0

Divide each side by '-28'.
a = 0

Simplifying
a = 0

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