(-3a+7)-(4a+2)=

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Solution for (-3a+7)-(4a+2)= equation:


Simplifying
(-3a + 7) + -1(4a + 2) = 0

Reorder the terms:
(7 + -3a) + -1(4a + 2) = 0

Remove parenthesis around (7 + -3a)
7 + -3a + -1(4a + 2) = 0

Reorder the terms:
7 + -3a + -1(2 + 4a) = 0
7 + -3a + (2 * -1 + 4a * -1) = 0
7 + -3a + (-2 + -4a) = 0

Reorder the terms:
7 + -2 + -3a + -4a = 0

Combine like terms: 7 + -2 = 5
5 + -3a + -4a = 0

Combine like terms: -3a + -4a = -7a
5 + -7a = 0

Solving
5 + -7a = 0

Solving for variable 'a'.

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

Add '-5' to each side of the equation.
5 + -5 + -7a = 0 + -5

Combine like terms: 5 + -5 = 0
0 + -7a = 0 + -5
-7a = 0 + -5

Combine like terms: 0 + -5 = -5
-7a = -5

Divide each side by '-7'.
a = 0.7142857143

Simplifying
a = 0.7142857143

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