2a+3(a-7)-10=4

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Solution for 2a+3(a-7)-10=4 equation:


Simplifying
2a + 3(a + -7) + -10 = 4

Reorder the terms:
2a + 3(-7 + a) + -10 = 4
2a + (-7 * 3 + a * 3) + -10 = 4
2a + (-21 + 3a) + -10 = 4

Reorder the terms:
-21 + -10 + 2a + 3a = 4

Combine like terms: -21 + -10 = -31
-31 + 2a + 3a = 4

Combine like terms: 2a + 3a = 5a
-31 + 5a = 4

Solving
-31 + 5a = 4

Solving for variable 'a'.

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

Add '31' to each side of the equation.
-31 + 31 + 5a = 4 + 31

Combine like terms: -31 + 31 = 0
0 + 5a = 4 + 31
5a = 4 + 31

Combine like terms: 4 + 31 = 35
5a = 35

Divide each side by '5'.
a = 7

Simplifying
a = 7

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