Solve: 4x + 6 = 8x - 18

Mathematics

2 answers:

sladkih [1.3K]3 years ago

5 0

Answer:

x=-3

Step-by-step explanation:

4x+6=8x+18

We simplify the equation to the form, which is simple to understand

4x+6=8x+18

We move all terms containing x to the left and all other terms to the right.

+4x-8x=+18-6

We simplify left and right side of the equation.

-4x=+12

We divide both sides of the equation by -4 to get x.

x=-3

WITCHER [35]3 years ago

3 0

Answer:

hope it helps answer is x=6

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Step-by-step explanation:

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Novay_Z [31]

Answer:

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Step-by-step explanation:

Given:

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Rewriting the above equation into a standard quadratic equation and solving for 't', we get:

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Using quadratic formula to solve for 't', we get:

$t=\frac{-b\pm \sqrt{b^2-4ac}}{2a}\\\\t=\frac{-(-15)\pm \sqrt{(-15)^2-4(2)(7)}}{2(2)}\\\\t=\frac{15\pm \sqrt{225-56}}{4}\\\\t=\frac{15\pm\sqrt{169}}{4}\\\\t=\frac{15\pm 13}{4}\\\\t=\frac{15-13}{4}\ or\ t=\frac{15+13}{4}\\\\t=\frac{2}{4}\ or\ t=\frac{28}{4}\\\\t=0.5\ s\ or\ t=7\ s$