7*(2a+3)-10a=

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Solution for 7*(2a+3)-10a= equation:


Simplifying
7(2a + 3) + -10a = 0

Reorder the terms:
7(3 + 2a) + -10a = 0
(3 * 7 + 2a * 7) + -10a = 0
(21 + 14a) + -10a = 0

Combine like terms: 14a + -10a = 4a
21 + 4a = 0

Solving
21 + 4a = 0

Solving for variable 'a'.

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

Add '-21' to each side of the equation.
21 + -21 + 4a = 0 + -21

Combine like terms: 21 + -21 = 0
0 + 4a = 0 + -21
4a = 0 + -21

Combine like terms: 0 + -21 = -21
4a = -21

Divide each side by '4'.
a = -5.25

Simplifying
a = -5.25

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