Question

4.(x+2)=12 equação do 1º grau

Answer 1

$\mathsf{4\cdot(x+2)=12}\\\mathsf{x+2=\dfrac{12}{4}}\\\mathsf{x+2=3}\\\mathsf{x=3-2}\\\huge\boxed{\boxed{\boxed{\boxed{\mathsf{x=1}}}}}$

Answer 2

12 = 4. X - 2

12 = 4X - 2

X = 12 ÷ 4

X = 3

3 - 2 = 1.