3a+7=10a-1

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


Simplifying
3a + 7 = 10a + -1

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

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

Solving
7 + 3a = -1 + 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.
7 + 3a + -10a = -1 + 10a + -10a

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

Combine like terms: 10a + -10a = 0
7 + -7a = -1 + 0
7 + -7a = -1

Add '-7' to each side of the equation.
7 + -7 + -7a = -1 + -7

Combine like terms: 7 + -7 = 0
0 + -7a = -1 + -7
-7a = -1 + -7

Combine like terms: -1 + -7 = -8
-7a = -8

Divide each side by '-7'.
a = 1.142857143

Simplifying
a = 1.142857143

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