Question

Resolva a equação
a) 4x – 7 = 2x – 8​

Answer 1

꧁Hello, how are you?꧂

$4x - 7 = 2x - 8 \\ 4x - 7 - 2x = - 8 \\ 4x - 2x = - 8 + 7 \\ 2x = - 8 + 7 \\ 2x = - 1 \\ 2x \div 2 = - 1 \div 2 \\ x = - 1 \div 2 \\ \\ x = - \frac{1}{2}$

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Answer 2

Resposta:

$\textsf{Leia abaixo}$

Explicação passo-a-passo:

$\mathsf{4x - 7 = 2x - 8}$

$\mathsf{4x - 2x = -8 + 7}$

$\mathsf{2x = -1}$

$\boxed{\boxed{\mathsf{x = -\dfrac{1}{2}}}}$