Answer:
x=18
Step-by-step 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.
