An addition equation represents an unknown quantity combined with a known addend to produce a known sum, in forms such as or , with values including integers, fractions, and decimals. Solving preserves equality by subtracting the same addend from both sides, or applying its additive inverse, and the solution can be verified by substitution; the scope is one-step equations with coefficient 1, not multi-step equations, distribution, or variables on both sides.
To solve an addition equation, use subtraction to undo the addition. Subtract the same number from both sides so the equation stays balanced.
Solve:
Since the statement is true, the solution is:
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