4Q-3=10Q-21

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Solution for 4Q-3=10Q-21 equation:


Simplifying
4Q + -3 = 10Q + -21

Reorder the terms:
-3 + 4Q = 10Q + -21

Reorder the terms:
-3 + 4Q = -21 + 10Q

Solving
-3 + 4Q = -21 + 10Q

Solving for variable 'Q'.

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

Add '-10Q' to each side of the equation.
-3 + 4Q + -10Q = -21 + 10Q + -10Q

Combine like terms: 4Q + -10Q = -6Q
-3 + -6Q = -21 + 10Q + -10Q

Combine like terms: 10Q + -10Q = 0
-3 + -6Q = -21 + 0
-3 + -6Q = -21

Add '3' to each side of the equation.
-3 + 3 + -6Q = -21 + 3

Combine like terms: -3 + 3 = 0
0 + -6Q = -21 + 3
-6Q = -21 + 3

Combine like terms: -21 + 3 = -18
-6Q = -18

Divide each side by '-6'.
Q = 3

Simplifying
Q = 3

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