Answer:
x=2
Step-by-step explanation:
Expand 5(x-1)+3: 5x-2
5x-2=7x-6
<em>add 2 both sides and simplify</em>
5x=7x-4
<em>subtract 7x from both sides</em>
5x=7x-4-7
___-7____
<em>simplify -2x=4x divide both sides</em> by 2, -2x/-2=-4/-2
x=2
Answer:
78
Step-by-step explanation:
do the equation backwards. 157 minus 1 equals 156, and 156 divided by 2 equals <u>78</u>. Hope this helps. pls mark brainliest