5a-7=3(a+1)+10a+1

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Solution for 5a-7=3(a+1)+10a+1 equation:


Simplifying
5a + -7 = 3(a + 1) + 10a + 1

Reorder the terms:
-7 + 5a = 3(a + 1) + 10a + 1

Reorder the terms:
-7 + 5a = 3(1 + a) + 10a + 1
-7 + 5a = (1 * 3 + a * 3) + 10a + 1
-7 + 5a = (3 + 3a) + 10a + 1

Reorder the terms:
-7 + 5a = 3 + 1 + 3a + 10a

Combine like terms: 3 + 1 = 4
-7 + 5a = 4 + 3a + 10a

Combine like terms: 3a + 10a = 13a
-7 + 5a = 4 + 13a

Solving
-7 + 5a = 4 + 13a

Solving for variable 'a'.

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

Add '-13a' to each side of the equation.
-7 + 5a + -13a = 4 + 13a + -13a

Combine like terms: 5a + -13a = -8a
-7 + -8a = 4 + 13a + -13a

Combine like terms: 13a + -13a = 0
-7 + -8a = 4 + 0
-7 + -8a = 4

Add '7' to each side of the equation.
-7 + 7 + -8a = 4 + 7

Combine like terms: -7 + 7 = 0
0 + -8a = 4 + 7
-8a = 4 + 7

Combine like terms: 4 + 7 = 11
-8a = 11

Divide each side by '-8'.
a = -1.375

Simplifying
a = -1.375

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