-15+4a=-7(a-7)+2

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Solution for -15+4a=-7(a-7)+2 equation:


Simplifying
-15 + 4a = -7(a + -7) + 2

Reorder the terms:
-15 + 4a = -7(-7 + a) + 2
-15 + 4a = (-7 * -7 + a * -7) + 2
-15 + 4a = (49 + -7a) + 2

Reorder the terms:
-15 + 4a = 49 + 2 + -7a

Combine like terms: 49 + 2 = 51
-15 + 4a = 51 + -7a

Solving
-15 + 4a = 51 + -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.
-15 + 4a + 7a = 51 + -7a + 7a

Combine like terms: 4a + 7a = 11a
-15 + 11a = 51 + -7a + 7a

Combine like terms: -7a + 7a = 0
-15 + 11a = 51 + 0
-15 + 11a = 51

Add '15' to each side of the equation.
-15 + 15 + 11a = 51 + 15

Combine like terms: -15 + 15 = 0
0 + 11a = 51 + 15
11a = 51 + 15

Combine like terms: 51 + 15 = 66
11a = 66

Divide each side by '11'.
a = 6

Simplifying
a = 6

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