(7a-10)-(3a+4)=

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Solution for (7a-10)-(3a+4)= equation:


Simplifying
(7a + -10) + -1(3a + 4) = 0

Reorder the terms:
(-10 + 7a) + -1(3a + 4) = 0

Remove parenthesis around (-10 + 7a)
-10 + 7a + -1(3a + 4) = 0

Reorder the terms:
-10 + 7a + -1(4 + 3a) = 0
-10 + 7a + (4 * -1 + 3a * -1) = 0
-10 + 7a + (-4 + -3a) = 0

Reorder the terms:
-10 + -4 + 7a + -3a = 0

Combine like terms: -10 + -4 = -14
-14 + 7a + -3a = 0

Combine like terms: 7a + -3a = 4a
-14 + 4a = 0

Solving
-14 + 4a = 0

Solving for variable 'a'.

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

Add '14' to each side of the equation.
-14 + 14 + 4a = 0 + 14

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

Combine like terms: 0 + 14 = 14
4a = 14

Divide each side by '4'.
a = 3.5

Simplifying
a = 3.5

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