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3 July, 14:22

What could be the first step toward correctly solving the equation 5x+70=-3x-10

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  1. 3 July, 15:25
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    Add '-3x' to each side of the equation.

    -70 + 5x + - 3x = - 10 + 3x + - 3x

    Combine like terms: 5x + - 3x = 2x

    -70 + 2x = - 10 + 3x + - 3x

    Combine like terms: 3x + - 3x = 0

    -70 + 2x = - 10 + 0

    -70 + 2x = - 10

    Add '70' to each side of the equation.

    -70 + 70 + 2x = - 10 + 70

    Combine like terms: - 70 + 70 = 0

    0 + 2x = - 10 + 70

    2x = - 10 + 70

    Combine like terms: - 10 + 70 = 60

    2x = 60

    Divide each side by '2'.

    x = 30

    Simplifying

    x = 30

    mark brainliest
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