4a+13=-10a-15

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Solution for 4a+13=-10a-15 equation:


Simplifying
4a + 13 = -10a + -15

Reorder the terms:
13 + 4a = -10a + -15

Reorder the terms:
13 + 4a = -15 + -10a

Solving
13 + 4a = -15 + -10a

Solving for variable 'a'.

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

Add '10a' to each side of the equation.
13 + 4a + 10a = -15 + -10a + 10a

Combine like terms: 4a + 10a = 14a
13 + 14a = -15 + -10a + 10a

Combine like terms: -10a + 10a = 0
13 + 14a = -15 + 0
13 + 14a = -15

Add '-13' to each side of the equation.
13 + -13 + 14a = -15 + -13

Combine like terms: 13 + -13 = 0
0 + 14a = -15 + -13
14a = -15 + -13

Combine like terms: -15 + -13 = -28
14a = -28

Divide each side by '14'.
a = -2

Simplifying
a = -2

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