-7a(-4)+7(-a+1)=

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


Simplifying
-7a(-4) + 7(-1a + 1) = 0

Reorder the terms for easier multiplication:
-7 * -4a + 7(-1a + 1) = 0

Multiply -7 * -4
28a + 7(-1a + 1) = 0

Reorder the terms:
28a + 7(1 + -1a) = 0
28a + (1 * 7 + -1a * 7) = 0
28a + (7 + -7a) = 0

Reorder the terms:
7 + 28a + -7a = 0

Combine like terms: 28a + -7a = 21a
7 + 21a = 0

Solving
7 + 21a = 0

Solving for variable 'a'.

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

Add '-7' to each side of the equation.
7 + -7 + 21a = 0 + -7

Combine like terms: 7 + -7 = 0
0 + 21a = 0 + -7
21a = 0 + -7

Combine like terms: 0 + -7 = -7
21a = -7

Divide each side by '21'.
a = -0.3333333333

Simplifying
a = -0.3333333333

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