Isolate variable q: Isolate the variable q by subtracting 49 from both sides of the equation.q+49−49=4−49q=4−49
Convert whole number: Convert the whole number4 into a fractions" target="_blank" class="backlink">fraction with the same denominator as 49 to subtract the fractions.4=416 (since 4×44=416)q=416−49
Subtract fractions: Subtract the fractions.q=416−9q=47
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