Answer:
x=18
Explanation:
subtract 2x from both sides: 90=7x-2x
simplify 7x-2x to 5x: 90=5x
divide both sides by 5: 90/5=x
simplify 90/5 to 18: 18=x
so your answer is 18=x
Ps. you can always use cymath to solve these equations or socratic.
2x+90=7x
2x=7x-90
2x-7x=-90
-5x+-90
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