7(2a+2)+4(5a-1)=

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Solution for 7(2a+2)+4(5a-1)= equation:


Simplifying
7(2a + 2) + 4(5a + -1) = 0

Reorder the terms:
7(2 + 2a) + 4(5a + -1) = 0
(2 * 7 + 2a * 7) + 4(5a + -1) = 0
(14 + 14a) + 4(5a + -1) = 0

Reorder the terms:
14 + 14a + 4(-1 + 5a) = 0
14 + 14a + (-1 * 4 + 5a * 4) = 0
14 + 14a + (-4 + 20a) = 0

Reorder the terms:
14 + -4 + 14a + 20a = 0

Combine like terms: 14 + -4 = 10
10 + 14a + 20a = 0

Combine like terms: 14a + 20a = 34a
10 + 34a = 0

Solving
10 + 34a = 0

Solving for variable 'a'.

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

Add '-10' to each side of the equation.
10 + -10 + 34a = 0 + -10

Combine like terms: 10 + -10 = 0
0 + 34a = 0 + -10
34a = 0 + -10

Combine like terms: 0 + -10 = -10
34a = -10

Divide each side by '34'.
a = -0.2941176471

Simplifying
a = -0.2941176471

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