Question

Resolva as equações a abaixo determinado o valor da incógnita X
a) 2x-70=-10

Answer 1

2x-70=-10

2x=-10+70

2x=60/2

x=30

Answer 2

$\Large\boxed{\begin{array}{l}\sf2x-70=-10\\\sf2x=-10+70\\\sf2x=60 \\\sf x=\dfrac{60}{2}\\\\\sf x=30 \end{array}}$