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jekas [21]
2 years ago
15

( Brainliest and thanks! ) Solve for x

Mathematics
2 answers:
timurjin [86]2 years ago
5 0

Answer:

22.5

Step-by-step explanation:

x+3x=90

4x=90

x=90/4

x=22.5

Tatiana [17]2 years ago
3 0

Step-by-step explanation:

<em>x </em><em>+</em><em> </em><em>3</em><em>x</em><em> </em><em>=</em><em> </em><em>9</em><em>0</em>

<em>4</em><em>x</em><em> </em><em>=</em><em> </em><em>9</em><em>0</em>

<em>x </em><em>=</em><em> </em><em>2</em><em>2</em><em>.</em><em>5</em>

<em>.</em><em>.</em><em>.</em><em>.</em><em>.</em><em>.</em><em>.</em><em>.</em><em>.</em><em>.</em><em>.</em><em>.</em>

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