Question

Resolva a equação e escreva o valor da correto da incógnita: 2(x + 5) - 4 = 26
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Answer 1

$2\left(x+5\right)-4=26\\\\2\left(x+5\right)=26+4\\\\2\left(x+5\right)=30\\\\\frac{2\left(x+5\right)}{2}=\frac{30}{2}\\\\x+5=15\\\\x=15-5\\\\\boxed{x=10}$