7-3(5a-10)=67

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Solution for 7-3(5a-10)=67 equation:


Simplifying
7 + -3(5a + -10) = 67

Reorder the terms:
7 + -3(-10 + 5a) = 67
7 + (-10 * -3 + 5a * -3) = 67
7 + (30 + -15a) = 67

Combine like terms: 7 + 30 = 37
37 + -15a = 67

Solving
37 + -15a = 67

Solving for variable 'a'.

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

Add '-37' to each side of the equation.
37 + -37 + -15a = 67 + -37

Combine like terms: 37 + -37 = 0
0 + -15a = 67 + -37
-15a = 67 + -37

Combine like terms: 67 + -37 = 30
-15a = 30

Divide each side by '-15'.
a = -2

Simplifying
a = -2

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